Billing entity's legal name (an organisation or sole trader) — not a person. See billingContactName for the invoice contact person.

Accepted for backward compatibility but not persisted on the invoice profile — the resource has no vat_number attribute upstream. The attribute is real, but on the linked billing address instead (BillingAddressOut.vatNumber); set it via PATCH /v1/billing-addresses/{id} and reference the address with billingAddressId.

Stable Mercury UUID of the billing address (BillingAddressOut.id).

Accepted for backward compatibility but not persisted — no default-marking attribute is confirmed on the invoice-profile resource upstream (unconfirmed either way), so the value is discarded and cannot change which profile is the default. The default is derived on read, not stored: see InvoiceProfileOut.isDefault (GET /v1/invoice-profiles/booking).

Free-text nickname for the profile record itself (e.g. "Head office") — not a person or the billing entity name. See billingContactName for the invoice contact person. Accepted for backward compatibility but not persisted on the invoice profile — the resource has no label attribute upstream. The attribute is real on the linked billing address instead (BillingAddressOut.label); set it via PATCH /v1/billing-addresses/{id} and reference the address with billingAddressId. See InvoiceProfileOut.label, which is always null for this same reason.

Accepted for backward compatibility but not persisted on the invoice profile — the resource has no sdiCode attribute upstream. The attribute is real on the linked billing address instead (BillingAddressOut.sdiCode); set it via PATCH /v1/billing-addresses/{id} and reference the address with billingAddressId. See InvoiceProfileOut.sdiCode, which is always null for this same reason.

Accepted for backward compatibility but not persisted on the invoice profile — the resource has no pec attribute upstream. The attribute is real on the linked billing address instead (BillingAddressOut.pec); set it via PATCH /v1/billing-addresses/{id} and reference the address with billingAddressId. See InvoiceProfileOut.pec, which is always null for this same reason.

Name of the person invoices for this profile are addressed to. Distinct from name (the billing entity's legal name) and from label (a nickname for the profile record itself). Accepted but not currently persisted — see InvoiceProfileOut.billing_contact_name for the open question this is pending on. Do not build a UI that assumes a submitted value survives a subsequent read.