(1) Schedule 2 to the Principal Act is amended by substituting the Parts set out in Schedule 1 to this Act for Parts 1 to 4 of the said Schedule 2.

(2) This section comes into operation -

(a) in so far as it relates to unemployment benefit, on 29 December 2005,

(b) in so far as it relates to disability benefit, health and safety benefit, injury benefit and disablement gratuity, on 2 January 2006,

(c) in so far as it relates to carer's benefit, retirement pension, invalidity pension and a payment referred to in paragraph (a) of the definition of "relevant payment" in section 178 of the Principal Act, on 5 January 2006, and

(d) in so far as it relates to disablement pension, death benefit under section 81, 82 or 83 of the Principal Act, old age (contributory) pension, widow's (contributory) pension, widower's (contributory) pension and orphan's (contributory) allowance, on 6 January 2006.