Section 530 of the Principal Act is amended in subsection (1):
(a) by the insertion before the definition of "construction operations" of the following definition:
"'certified subcontractor', in relation to a principal, means a subcontractor -
(a) in respect of whom the principal holds, at the time of making a payment under a relevant contract to the subcontractor, a relevant payments card for the year in which the payment is made, and
(b) in respect of whom the principal has not received a notice under paragraph (a) of subsection (13) of section 531;",
and
(b) by the insertion after the definition of "subcontractor" of the following definition:
"'uncertified subcontractor' means a subcontractor who is not a certified subcontractor.".