(1) Section 30 of the Principal Act is hereby amended -
(a) by the substitution for subsection (1) (as amended by section 8 of the Act of 1987) of the following subsection:
"(1) The contribution conditions for unemployment benefit are -
(a) that the claimant has qualifying contributions in respect of not less than 39 contribution weeks in the period between his entry into insurance and the day for which the benefit is claimed, and
(b) that the claimant has qualifying contributions or credited contributions in respect of not less than 39 contribution weeks in the last complete contribution year before the beginning of the benefit year which includes the day for which the benefit is claimed, and
(c) that the claimant has prescribed reckonable weekly earnings in excess of a prescribed amount in a prescribed period.", and
(b) by the substitution for subsections (4) and (5) of the following subsections:
"(4) Subject to subsection (5), regulations may provide for entitling to unemployme