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Amendment of section 306 of Principal Act | 
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19. Section 306 of the Principal Act is amended by the substitution of the following subsection for subsection (5): | 
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“(5) Sections 54 and 55 of the Act of 2000 shall, on and after the repeal of those sections by section 6, continue to apply and have effect in relation to a record of protected structures included in— | 
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(a) a development plan continued in force by virtue of section 68, and | 
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(b) a development plan prepared, or varied, in accordance with section 69.”. |