4. A body of persons which is an accountable person in respect of tax chargeable on—

(a) the intra-Community acquisition of a boat or similar craft or equipment, of a kind referred to in Article 3, or

(b) the hire of a boat or similar craft or equipment, of a kind referred to in Article 3,

may, in lieu of claiming repayment under Article 3, elect to deduct the tax chargeable in respect of that acquisition or hire in the return which that person is obliged to furnish concerning that acquisition or hire, in accordance with section 76 or 77 of the Act, but any amount of tax deducted in accordance with this Article will be deemed to be tax refunded.