Buy-side: who to chase for a sales-tax credit/refund. Tax paid = real recorded (order_lines.tax_paid). Est. = modeled upper-bound (COGS × approx state rate). Click a header to sort; click a supplier to see its orders. Charging / Cert / Status are editable (saved in this browser for the preview).
Recoverable? Yes = non-strict, or strict & registered (CT/FL/VA/WA). No = strict & not registered (CA/IL/MD/MA/LA). n/a = no state sales tax. Charging us? = your manual check of whether they actually charge us tax. Edits persist locally now; the committed version saves to Firestore.