Schedule 3 to the Principal Act is amended, in Rule 1(4) (amended by section 24 of the Act of 2016) of Part 5 of that Schedule -

(a) by the substitution of the following subparagraph for subparagraph (da):

"(da) in calculating the weekly earnings for the purposes of subparagraph (a) for any period commencing on or after 5 January 2017 but before 29 March 2018, an amount of €110 together with half the weekly earnings in excess of that amount shall be disregarded.",

and

(b) by the insertion of the following subparagraph after subparagraph (da):

"(db) in calculating the weekly earnings for the purposes of subparagraph (a) for any period commencing on or after 29 March 2018, an amount of €130 together with half the weekly earnings in excess of that amount shall be disregarded.".