"us-sales-tax" or "vat" — snapshot at estimate creation.
notesstring nullable
mergedIntoInvoiceIdstring nullable
Set when this invoice was merged into a new combined invoice (it is then
Superseded): the id of the successor bill.
mergedIntoInvoiceNumberstring nullable
Human-readable number of the successor combined invoice this one was merged into
(set only on a Superseded source). Lets the UI link forward without a second fetch.
signatureDatastring nullable
signedAtstring date-time nullable
issuedAtstring date-time nullable
When the bill was issued (Draft → Unpaid) and its totals frozen.
Null for Drafts and legacy invoices issued before the issue boundary.