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