R01 :: Automatic payment of an invoice requires both an existing purchase order and an existing receipt record.
R02 :: An invoice variance of exactly EUR 10 is within tolerance.
R03 :: An invoice variance strictly above EUR 10 blocks automatic payment.
R04 :: For a blocked invoice, an Accounts Payable analyst is permitted, but not obliged, to request a corrected invoice.
R05 :: Only the receiving team may record goods receipt, and Accounts Payable is prohibited from recording goods receipt.
R06 :: The person who changed supplier bank details is prohibited from approving payment to those bank details.
R07 :: For a service invoice, an authorised service acceptance substitutes for the goods receipt record.
R08 :: Service acceptance does not substitute for the purchase-order requirement.
R09 :: A dispute freezes the payment clock, and the freeze persists until the dispute is resolved.
R10 :: After dispute resolution, the payment clock resumes from its paused value and does not restart at zero.
R11 :: An invoice number is unique only within a single supplier, and different suppliers are permitted to reuse the same invoice number.
R12 :: The variance tolerance is assessed per individual invoice and not against the monthly sum of a supplier's invoices.