3.  The following provisions of the 2005 Act shall come into force on 1st January 2006—

(a) section 1 (aggravated supply of controlled drug);

(b) section 3 (drug offence searches: England and Wales);

(c) section 5 (x-rays and ultrasound scans: England and Wales); and

(d) section 8 (extended detention of suspected drug offenders).