86.—F193[(1) Subject to section 68(1) and (6) and subsection (1A), where a flat-rate farmer supplies agricultural produce or an agricultural service to a person, the farmer shall issue to the person an invoice indicating the consideration (exclusive of the flat-rate addition) in respect of the supply and an amount (in this Act referred to as a "flat-rate addition") equal to F194[4.8 per cent] of that consideration (exclusive of the flat-rate addition).

(1A) Where section 68(6) applies, the issue of an invoice by a flat-rate farmer shall only apply in respect of agricultural produce or an agricultural service of a kind not specified in an order made by the Minister under section 86A.]

(2) Where, in relation to a supply of agricultural produce or an agricultural service by a flat-rate farmer, the farmer issues an invoice in which the flat-rate addition is stated separately, that addition is recoverable by the farmer as part of the consideration for the F195[transaction other than where an order has been made by the Minister under section 86A relating to such supply of produce or service.]