R01 :: For any invoice, automatic payment requires that both an existing purchase order and a receipt record exist before that automatic payment.
R02 :: For any invoice variance, if the variance is exactly EUR 10, then it is within tolerance.
R03 :: For any invoice, if its variance is above EUR 10, then that variance blocks automatic payment of that invoice.
R04 :: For any blocked invoice, an Accounts Payable analyst may ask for a corrected invoice but is not obliged to ask for a corrected invoice.
R05 :: Only the receiving team records goods receipt, and Accounts Payable cannot record goods receipt.
R06 :: For any person who changed supplier bank details, that person must not approve payment to those details.
R07 :: For any 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 rather than restarting at zero.
R11 :: An invoice number is unique only within a supplier, and different suppliers may reuse the same number.
R12 :: The tolerance is assessed per invoice, not against the monthly sum of a supplier's invoices.