Section 28 of the Principal Act is amended as follows:

(a) by omitting from subsection (3)(a) "an approved timber harvesting plan or approved timber harvesting plans" and substituting "a certified forest practices plan or certified forest practices plans" ;

(b) by omitting from subsection (3)(b) "timber harvesting plan for approval" and substituting "forest practices plan for certification" ;

(c) by omitting from subsection (6)(a) "an approved timber harvesting plan or approved timber harvesting plans" and substituting "a certified forest practices plan or certified forest practices plans" ;

(d) by omitting from subsection (6)(b) "timber harvesting plan for approval" and substituting "forest practices plan for certification" .