If section 114 of the Act applies to a claim of a specification, the priority date of the claim is:
(a) in the case of an amendment to which subsection 29A(3) of the Act applies--the date on which the amendment is taken to have been made under that subsection; and
(b) in any other case--the date of filing of the statement of proposed amendments that resulted in the disclosure referred to in subparagraph 114(1)(c)(ii) of the Act.