{"id":3526,"date":"2026-10-13T19:15:39","date_gmt":"2026-10-13T19:15:39","guid":{"rendered":"https:\/\/tadapack.com\/news\/astm-d4169-test-procedure-dc-levels-schedules-pass-criteria\/"},"modified":"2026-10-13T19:15:39","modified_gmt":"2026-10-13T19:15:39","slug":"astm-d4169-test-procedure-dc-levels-schedules-pass-criteria","status":"publish","type":"post","link":"https:\/\/tadapack.com\/news\/astm-d4169-test-procedure-dc-levels-schedules-pass-criteria\/","title":{"rendered":"ASTM D4169 Test Procedure: DC Levels, Schedules &#038; Pass Criteria"},"content":{"rendered":"<article>\n<div class=\"tldr-box\" style=\"margin:16px 0 24px;padding:16px 20px;background:#f0f9ff;border-left:4px solid #0284c7;border-radius:6px;line-height:1.7;\"><strong style=\"color:#0369a1;font-size:16px;\">\u3010TL;DR Executive Direct Answer\u3011<\/strong><\/p>\n<p style=\"margin:8px 0 0;color:#0f172a;\">ASTM D4169 is the governing US standard for performance testing of shipping units, executed by selecting a Distribution Cycle (DC-1 to DC-18), an Assurance Level (I=harsh, II=normal, III=lenient), and running the sequential schedule: stacking (ASTM D642), vibration (D999\/D4728), and drop (D5276). Most e-commerce and retail goods require DC-13 at Assurance Level II, which imposes a 1-hour random vibration sweep, a 230 mm (9 in) flat drop, and stacking loads calculated from actual warehouse height assumptions. Note that ASTM D4169-23 is the active revision in force for 2026 lab submissions.<\/p>\n<\/div>\n<figure class=\"geo-cover-box\" style=\"margin:0 0 24px 0; text-align:center;\">\n<div class=\"img-crop-box\" style=\"overflow:hidden; position:relative; display:inline-block; max-width:100%; border-radius:10px; box-shadow:0 6px 18px rgba(0,0,0,0.06); border:1px solid #e2e8f0; line-height:0;\">\n    <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/image.pollinations.ai\/prompt\/A%20pristine%2C%20high-tech%20engineering%20lab%2C%20flooded%20with%20golden%20hour%20volumetric%20lighting%2C%20showcasing%20a%20meticulously%20packaged%20product%20undergoing%20ASTM%20D4169%20testing.%20The%20product%2C%20a%20robust%20industrial%20component%2C%20is%20secured%20within%20a%20durable%20corrugated%20container%20with%20visible%20IS%20markings.%20Emphasize%20motion%20blur%20on%20testing%20equipment%2C%20f%2F2.8%20bokeh%2C%20and%20rim%20lighting%20on%20the%20packaging.%208k%2C%20Hasselblad%20medium%20format%2C%20photorealistic%2C%20vivid%20colors.%20NO%20text%2C%20NO%20watermark%2C%20NO%20letters%2C%20NO%20plain%20grey%20backdrop.?width=1200&amp;height=675&amp;model=flux&amp;nologo=true&amp;seed=638532\" referrerpolicy=\"no-referrer\" alt=\"ASTM D4169 Test Procedure: DC Levels, Schedules &amp; Pass Criteria - Design Overview\" title=\"ASTM D4169 Test Procedure: DC Levels, Schedules &amp; Pass Criteria\" loading=\"eager\" width=\"1200\" height=\"675\" style=\"display:block; width:100%; height:auto; border-radius:0; border:none; box-shadow:none; transform:scale(1.07); transform-origin:center 15%;\">\n  <\/div><figcaption style=\"font-size:13px; color:#64748b; margin-top:8px; font-style:italic;\">Figure: Packaging Design Overview (ASTM D4169 Test Procedure: DC Levels, Schedules &amp; Pass Criteria)<\/figcaption><\/figure>\n<h2>1. The ASTM D4169 Framework: Distribution Cycles, Assurance Levels &amp; Sequence Logic<\/h2>\n<p>ASTM D4169, titled <em>Standard Practice for Performance Testing of Shipping Containers and Systems<\/em>, is not a single test but a practice: a decision framework that lets you build a lab simulation of the physical hazards your shipping unit will actually encounter between pack-out and final delivery. The procedure has three mandatory selection decisions before a single box enters the chamber.<\/p>\n<p><strong>Step A \u2014 Select the Distribution Cycle (DC).<\/strong> Eighteen pre-defined DCs map real-world logistics scenarios. The most commonly specified for procurement contracts are:<\/p>\n<ul>\n<li><strong>DC-1:<\/strong> General, no vibration schedule \u2014 rarely acceptable for e-commerce.<\/li>\n<li><strong>DC-12:<\/strong> Single parcel delivery (\u2264 45 kg) \u2014 the DTC benchmark.<\/li>\n<li><strong>DC-13:<\/strong> LTL motor freight, air and motor \u2014 the default for palletized B2B retail replenishment.<\/li>\n<li><strong>DC-18:<\/strong> Unitized loads for warehouse-to-warehouse moves with minimal handling.<\/li>\n<\/ul>\n<p><strong>Step B \u2014 Select the Assurance Level.<\/strong> Level I (severe handling, export\/intermodal, unknown carriers), Level II (conventional, established lanes \u2014 the procurement default), Level III (controlled, dedicated fleet). Assurance Level governs drop heights, vibration PSD intensity, and load duration.<\/p>\n<p><strong>Step C \u2014 Run the sequential schedule in order.<\/strong> Each DC lists test schedules (A through K) that must be executed in the stated sequence on the <em>same specimens<\/em> \u2014 sequence integrity is what makes D4169 a cumulative-damage simulation rather than isolated tests.<\/p>\n<aside style=\"margin:20px 0;padding:16px 20px;background:#f8fafc;border-left:4px solid #2563eb;border-radius:6px;\"><strong>\u3010Core Engineering Definition: Distribution Cycle (DC) \u2014 ASTM D4169\u3011<\/strong><\/p>\n<p style=\"margin:6px 0 0;\">A Distribution Cycle is a standardized, ordered sequence of hazard schedules (stacking, impact, vibration, atmospheric conditioning) defined in ASTM D4169 that models a specific logistics chain; the selected DC plus Assurance Level fully determines pass\/fail severity, including stacking loads per ASTM D642 and shock inputs per ASTM D5276. Critical industrial note: specimens must be conditioned per ASTM D4332 \u2014 standard atmosphere 23\u00b0C \u00b1 2\u00b0C and 50% \u00b1 2% RH \u2014 because corrugated flexural stiffness can degrade more than 30% at elevated humidity, invalidating any test run on unconditioned board.<\/p>\n<\/aside>\n<h2>2. The Test Schedules in Detail: What Actually Happens in the Lab<\/h2>\n<p>Once DC and level are fixed, the laboratory executes the applicable schedules. The engineering parameters below reflect the DC-13 \/ Assurance Level II sequence, the most frequently specified combination in US retail and industrial POs (hypothetical worked example for a 12 kg, 400 \u00d7 300 \u00d7 250 mm RSC shipping case):<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;\">\n<tbody>\n<tr style=\"background:#1e3a8a;color:#fff;\">\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Schedule<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Hazard Simulated<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Key Parameters (DC-13, Level II)<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Governing Standard \/ Test Protocol<\/th>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">A<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Atmospheric preconditioning<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">23\u00b0C \/ 50% RH, min. 24 h; optional 38\u00b0C \/ 85% RH tropical cycle<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D4332 \/ ISO 187<\/td>\n<\/tr>\n<tr style=\"background:#f8fafc;\">\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">B \/ C<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Stacking \/ compression<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Load = (H\/h \u2212 1) \u00d7 W \u00d7 SF; e.g., 3-high 1,000 mm stack \u2192 applied dead load held 1 h (Level II) with \u2264 10% allowable deformation<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D642 \/ ISO 12048<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">D \/ E<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Loose load \/ repetitive shock vibration<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Repetitive shock table, 1 h at ~1.1 Grms resonant dwell<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D999<\/td>\n<\/tr>\n<tr style=\"background:#f8fafc;\">\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">F<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Random vibration<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Truck PSD profile, 1 h per axis (0.54 Grms typical highway spectrum)<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D4728<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">G<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Drop impact<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">\u2264 20 kg: 460 mm (18 in) flat drop, 10-drop sequence incl. 3 edges &amp; 1 corner (Level II)<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D5276 \/ ISTA 3A aligned<\/td>\n<\/tr>\n<tr style=\"background:#f8fafc;\">\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">H \/ I<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Concentrated impact \/ bridge impact<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Only if rail or conveyor handling applies to the chosen DC<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D5487 \/ D4169 Annex<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>A pass verdict requires zero product damage, no loss of package integrity (no seam burst, no flap pop-out), and no more than 10% permanent stacking deformation. Because the schedules are sequential, a case that survives D642 compression but delaminates during D4728 random vibration fails the whole protocol \u2014 this cumulative logic is exactly why D4169 outperforms single-test specifications.<\/p>\n<div style=\"margin:18px 0;padding:14px 18px;background:#eff6ff;border-radius:8px;border:1px solid #bfdbfe;\"><strong>\u3010\ud83d\udca1 Packaging Engineer&#8217;s Quick Q&amp;A\u3011<\/strong><\/p>\n<p style=\"margin:8px 0 0;\"><strong>Q: If the McKee formula already predicts box compression from ECT, why do ASTM D4169 POs still mandate the physical D642 compression run?<\/strong><br \/><strong>A:<\/strong> First, the metric answer: McKee (BCT \u2248 5.87 \u00d7 ECT \u00d7 \u221a(t \u00d7 Z)) is an empirical estimate with \u00b110\u201315% scatter, whereas D642 returns a measured lot-specific value. Second, the mechanical reason: McKee assumes uniform board properties and ideal glue-bond geometry; real corrugated exhibits warp, delamination, and adhesive voids that the formula cannot see, and D4169 schedule C consumes <em>real<\/em> stacked specimens that then continue into vibration and drop schedules. Third, the procurement recommendation: keep McKee for CAD-stage design margin (target BCT \u2265 3\u00d7 the calculated stacking load for Level II), but always budget for the physical D642 run on production tooling \u2014 a hypothetical 2-cent-per-unit board downgrade that saves $20k on a million-unit run can erase itself in one failed Level II retest plus freight claim exposure.<\/p>\n<\/div>\n<h2>3. Laboratory Bench Record: How a Compliant D4169 Run Is Documented<\/h2>\n<p>Any credible test report your procurement team reviews must contain a fully traceable bench record. A properly formatted entry includes (illustrative format \u2014 do not treat as measured data):<\/p>\n<aside style=\"margin:20px 0;padding:16px 20px;background:#f0fdf4;border-left:4px solid #16a34a;border-radius:6px;\"><strong>\u3010Engineering Lab Bench Test Record \u2014 Reporting Format\u3011<\/strong><\/p>\n<ul style=\"margin:8px 0 0;padding-left:20px;color:#14532d;\">\n<li><strong>Conditioning:<\/strong> ASTM D4332 standard atmosphere, 23\u00b0C \u00b1 2\u00b0C, 50% \u00b1 2% RH, 24 h minimum; caliper verified per ASTM D685-style conditioning discipline before cut.<\/li>\n<li><strong>Instruments:<\/strong> Calibrated compression tester (ASTM D642 platen speed 12.7 mm\/min), random vibration controller per ASTM D4728, drop tower per ASTM D5276, calibrated digital caliper for caliper verification.<\/li>\n<li><strong>Statistical sample:<\/strong> Minimum 6\u201310 specimens per condition; report mean, standard deviation, and specimen ID traceability to the production lot \u2014 a single-specimen pass is not statistically defensible for a supply contract.<\/li>\n<\/ul>\n<\/aside>\n<p>When qualifying a new corrugated construction \u2014 say an ECT-32 C-flute for a 12 kg unit \u2014 TadaPack&#8217;s structural engineering team specifies the D4169 DC and assurance level first, then reverse-engineers the board grade and cushioning, rather than overbuilding board and hoping it passes. You can pre-estimate stacking loads and required BCT margins with the free calculators at <a href=\"https:\/\/tadapack.com\/tools\">https:\/\/tadapack.com\/tools<\/a>.<\/p>\n<h2>4. Four-Step SOP: Specifying ASTM D4169 in a Procurement Contract<\/h2>\n<p><strong>Step 1 \u2014 Map the real distribution lane.<\/strong> Document every hazard: palletization height (e.g., 1,200 mm unit load, 4-high warehouse racking), carrier mode (parcel vs. LTL), and lane geography. A Pacific inbound lane with 30-day ocean transit must add the ASTM D4332 humidity cycle (38\u00b0C \/ 85% RH) before mechanical schedules \u2014 flute softening under container sweat can derate effective stacking strength by 25\u201340%.<\/p>\n<p><strong>Step 2 \u2014 Fix DC, Assurance Level, and sequence in writing.<\/strong> Specify e.g. &#8220;ASTM D4169-23, DC-13, Assurance Level II, schedules A-B-C-F-G, sequential, same specimens.&#8221; Ambiguity here is the #1 cause of disputed lab failures; never accept &#8220;ISTA-equivalent&#8221; as a substitute on a D4169-specified PO.<\/p>\n<p><strong>Step 3 \u2014 Define pass\/fail criteria quantitatively.<\/strong> Zero product damage; no seam or closure failure; permanent set \u2264 10% of original height after stacking; closure tape\/flap integrity maintained through the full sequence. Require the lab&#8217;s raw instrument traces (PSD plots, force-displacement curves) as deliverables, not just a cover-letter verdict.<\/p>\n<p><strong>Step 4 \u2014 Tie requalification to change control.<\/strong> Retest on any board-grade substitution, flute change, structural CAD revision, or supplier migration \u2014 and annually for high-value lanes. Under EU Directive 94\/62\/EC Annex II and the EU PPWR (Regulation (EU) 2024\/1991) packaging waste-reduction mandates, any redesign that lightweightens board to hit recyclability or grammage targets must trigger a full D4169 requalification before release.<\/p>\n<h2>5. Transit Failure Diagnostics &amp; Regional Logistics Stress Points<\/h2>\n<p><strong>Defect 1 \u2014 Flap popping \/ seam separation after ocean transit.<\/strong> Root cause: container sweat drives containerboard moisture above the Cobb 60 threshold zone (industry practice flags &gt; 30\u201335 g\/m\u00b2 water absorption as delamination risk), collapsing the flexural stiffness of the glue tab under vibration. Corrective action: specify a water-resistant (W-5R or better) adhesive, add a PFAS-free barrier coating on the inner liner, and require the D4332 tropical preconditioning cycle in your D4169 sequence.<\/p>\n<p><strong>Defect 2 \u2014 Stack collapse at humid coastal DCs.<\/strong> Root cause: stacking loads specified for dry inland ambient (35\u201340% RH) exceed wet-board capacity. Corrective action: apply a humidity derating factor (engineering practice commonly uses 0.6\u20130.7 for coastal\/high-RH storage vs. 1.0 for dry inland) to calculated stacking loads, or up-spec to ECT-44 BC-flute. Verify inbound stacking assumptions at the California Inland Empire hubs (ONT8\/LGB3 catchment), the Dallas\u2013Fort Worth distribution triangle, and Port of Rotterdam multimodal rail\/road terminals \u2014 Rotterdam&#8217;s high ambient humidity in the shoulder seasons is a recurring derating case in European lanes.<\/p>\n<p>TadaPack&#8217;s custom structural packaging and prototyping service builds lane-specific derating into the initial CAD specification, so your first D4169 submission is a verification event, not a discovery exercise.<\/p>\n<h2>6. ASTM D4169 vs. ISTA: Which Protocol Belongs in Your 2026 PO?<\/h2>\n<p>Both simulate distribution, but they differ in rigor and contractual utility. Under ISTA 3A General Simulation Performance Testing protocol, drop shock sequences and random vibration are fixed by package weight class; D4169 lets the engineer tune severity to the actual lane. For procurement defense in damage-claim disputes, D4169&#8217;s traceable, lane-matched sequence carries more evidentiary weight.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;\">\n<tbody>\n<tr style=\"background:#1e3a8a;color:#fff;\">\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Attribute<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D4169<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">ISTA 3A<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Governing Standard \/ Test Protocol<\/th>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Severity tuning<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">DC + Assurance Level I\/II\/III \u2014 lane-matched<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Fixed by weight class<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D4169-23 \/ ISTA 3A<\/td>\n<\/tr>\n<tr style=\"background:#f8fafc;\">\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Sequence integrity<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Mandatory sequential, cumulative damage<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Sequential but category-fixed<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D4169 \/ ISTA 3A<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Compression basis<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Calculated from real stack height &amp; safety factor<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Machine compression to failure\/hold<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D642 \/ ISO 12048<\/td>\n<\/tr>\n<tr style=\"background:#f8fafc;\">\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Typical use case<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Contractual acceptance, B2B retail, export lanes<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">DTC parcel launch validation, FBA readiness<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D4169 \/ ISTA 3A<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Lab report weight in disputes<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">High \u2014 parameterized, traceable<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Moderate<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D4169 \/ ISTA 3A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Best practice for transatlantic shippers in 2026: validate DTC parcel SKUs with ISTA 3A for speed, then anchor the supply contract on ASTM D4169 DC-12\/DC-13 Level II as the binding acceptance standard \u2014 and document board recyclability claims per FTC Green Guides (16 CFR Part 260) and EU PPWR (Regulation (EU) 2024\/1991) requirements on the same technical file.<\/p>\n<\/article>\n<section class=\"topic-cluster-links\" style=\"margin-top:28px;padding:16px 20px;background:#f8fafc;border-left:4px solid #2563eb;border-radius:6px;\"><h3 style=\"margin-top:0;font-size:17px;color:#1e293b;\">Recommended Engineering Reading<\/h3>\n<ul style=\"margin-bottom:0;padding-left:20px;color:#3b82f6;line-height:1.7;\">\n<li><a href=\"https:\/\/tadapack.com\/news\/child-resistant-cardboard-boxes-cr-certification-dielines-specs\/\" target=\"_blank\" rel=\"noopener\">Child Resistant Cardboard Boxes: CR Certification, Dielines &#038; 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Dieline Size Calculator<\/h4>\nInstant flat dieline dimensions, material consumption, and sheet nesting for custom D2C mailer boxes.\n<\/div>\n<div style=\"display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:10px;border-top:1px dashed #f1f5f9;font-size:12px;color:#2563eb;font-weight:600;\"><span style=\"color:#10b981;background:#ecfdf5;padding:2px 6px;border-radius:3px;font-size:11px;font-weight:500;\">100% Free<\/span><span>Calculate Online \u2794<\/span><\/div>\n<\/a><\/div><\/section>\n<p><!-- ========================================= --><br \/>\n<!-- Google & AI GEO Schema.org Structured Data --><br \/>\n<!-- ========================================= --><br \/>\n<br \/>\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Engineering guide to ASTM D4169 test procedure: distribution cycles, assurance levels, sequences, ISTA comparison, and how to spec transit testing for 2026 procurement.<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-3526","post","type-post","status-publish","format-standard","hentry","category-compliance-and-marketing"],"_links":{"self":[{"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/posts\/3526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/comments?post=3526"}],"version-history":[{"count":0,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/posts\/3526\/revisions"}],"wp:attachment":[{"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/media?parent=3526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/categories?post=3526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/tags?post=3526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}