Section 134 of the Act of 1992 is hereby amended by the insertion of the following subsections after subsection (10):

"(11)

(a) Subject to the provisions of this section, where an authorised person -

(i) has declared a new category A vehicle to the Commissioners for the purposes of registration, or

(ii) has acquired (whether by purchase or under a lease or otherwise) a new category A vehicle prior to the 1st day of July, 1993,

and the vehicle has been used by him subsequently solely for hiring to others under short-term self-drive contracts, an amount, calculated pursuant to subsection (12), of the vehicle registration tax, or, as the case may be, of the motor vehicle excise duty under the Order of 1979, paid in respect of the vehicle shall, subject to any prescribed conditions, restrictions or limitations, be repaid to the person when he ceases to use the vehicle solely for hiring to others under such contracts.

(b) In paragraph (a) 'short-term self-drive contracts' means contracts under which vehicles are hired to persons for the purpose of being driven by them and under which the same vehicle is not hired to the same person for a period exceeding, or for periods exceeding in total, 5 weeks in any period of 12 months.

(12)

(a) The amount (if any) of the repayment to a person under subsection (11) shall be -