Section 21(1) of the Principal Act is amended -

(a) by the substitution of "Subject to section 38BA, self-employment contributions shall be paid by self-employed contributors in accordance with the following provisions" for "Self-employment contributions shall be paid by self-employed contributors in accordance with the following provisions",

(b) in paragraph (a), by the substitution of "€650" for "€500",

(c) in paragraph (c), by the substitution of "€650" for "€500",

(d) in paragraph (ea), by the substitution of "€650" for "€500", and

(e) in paragraph (f), by the substitution of "€650" for "€500" in each place where it occurs.