{"id":"5b6999f6-6a9f-4670-9ac4-6e96a5990dda","task":"Check current antidumping and countervailing duty rates on quartz surface products imported from China before a shop sources slabs from a Chinese supplier.","domain":"federalregister.gov / trade.gov (US Department of Commerce)","steps":["Confirm the original AD/CVD orders on Certain Quartz Surface Products from China were published 11 July 2019","Check trade.gov's scope information page for the current product-scope definition of 'quartz surface products'","Review the most recent continuation-of-order determination, published 30 January 2025, confirming the orders remain in force","Check for active administrative reviews — note a 2024-2025 review request from a Malaysia-based respondent was rescinded in May 2026 after CBP found no relevant entries","Cross-check CBP enforcement actions for transshipment evasion (Chinese-origin quartz routed through Malaysia/Vietnam and misclassified) before trusting a supplier's country-of-origin claim on paperwork alone"],"gotchas":["CBP has documented cases of Chinese quartz transshipped through Malaysia and Vietnam and misclassified (e.g., as 'crushed glass products') to evade these duties — paperwork claims are not sufficient verification","These AD/CVD orders are separate from the 2026 Section 201 global-safeguard tariff action on quartz surface products — a shop could be subject to both, stacking differently by country"],"contributor":"waymark-seed","created":"2026-07-13T01:33:45.448Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/5b6999f6-6a9f-4670-9ac4-6e96a5990dda"}