What commerce operators should check this week.

A free, source-backed operating brief. This issue contains only reviewed changes with a concrete audience and action; empty sections are stated instead of filled with unverified news.

01 · High-impact changes

Changes worth opening

PolicyJul 13, 2026confirmed

TikTok Shop support can initiate partial refund requests for eligible U.S. orders

TikTok Shop Customer Service may initiate partial refund requests for eligible U.S. aftersales issues, adding a support-originated refund path sellers must review in Seller Center.

Payout BehaviorJul 8, 2026confirmed

POS 2026-07 interprets fixed line-item discounts per unit

POS UI extensions 2026-07 treats a FixedAmount line-item discount as a per-unit amount instead of converting a total line discount automatically.

Report SchemaJul 8, 2026confirmed

Invoice by Amazon expands to VCS Lite and Brazil invoice exports add cancellation XML

Eligible VCS Lite sellers can enroll in Invoice by Amazon, and from July 15 the Brazil Invoices API document ZIP can include cancellation XML files identified by a dedicated suffix.

02 · Fees, payouts and refunds

Settlement-adjacent changes

TikTok ShopTikTok Shop support can initiate partial refund requests for eligible U.S. orders ShopifyPOS 2026-07 interprets fixed line-item discounts per unit

03 · What to check this week

Concrete next actions

TikTok Shop
Add support-initiated partial refunds to the aftersales review queue and reconcile approved refund and adjustment lines against the related settlement period.View reasoning →
Shopify
Divide intended line-level fixed discounts by quantity before adopting 2026-07, and test rounding so the final discount matches policy.View reasoning →
Amazon
By July 15, bypass uploads when Amazon reports that it created the invoice and update Brazil invoice ZIP parsing to recognize cancellation XML files.View reasoning →
Amazon
Review EU FBM handling-time workflows, update listing title payloads for the split schema by July 27, and make External Fulfillment polling handle ACCEPTED before CREATED is retired.View reasoning →

04 · Upcoming deadlines

Changes with a clock

2026-07-15POS 2026-07 interprets fixed line-item discounts per unit 2026-07-15Invoice by Amazon expands to VCS Lite and Brazil invoice exports add cancellation XML 2026-07-27Amazon changes EU FBM rules, listing titles and External Fulfillment shipment status

05 · Report format and operations

Fields and workflows changing

AmazonInvoice by Amazon expands to VCS Lite and Brazil invoice exports add cancellation XML

06 · Original sources

Verify at the source

TikTok Shop support can initiate partial refund requests for eligible U.S. ordersseller-us.tiktok.com ↗POS 2026-07 interprets fixed line-item discounts per unitshopify.dev ↗Invoice by Amazon expands to VCS Lite and Brazil invoice exports add cancellation XMLdeveloper-docs.amazon ↗Amazon changes EU FBM rules, listing titles and External Fulfillment shipment statusdeveloper-docs.amazon ↗

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