(1) These Regulations may be cited as the Petroleum Revenue Tax (Nomination Scheme for Disposals and Appropriations) (Amendment) Regulations 2006 and shall come into force on 12th December 2006.
(2) These Regulations shall have effect—
(a) from 1 st July 2006,
(b) in relation to proposed sales whose transaction base time (see regulation 9) is a time on or after that date; and
(c) not in relation to proposed transactions with a transaction base date (within the meaning in regulation 7 of the Petroleum Revenue Tax (Nomination Scheme for Disposals and Appropriations) Regulations 1987 , as that regulation stood prior to the making of these Regulations) before that date.