4(2)Where a collective agreement referred to in paragraph 1(
a) was for a term of not more than two years and is extended under subsection 3(2) to become a collective agreement for a term of not more than three years, the collective agreement shall be deemed, for the purposes of section 28 and subsection 36(2) of the
Public Service Labour Relations Act, still to be a collective agreement for a term of not more than two years.