(1) Subject to subsection (2) and section 6, a purported amendment (other than an amendment by Act of the Oireachtas) of a relevant provision amended by section 2 or 2A that would have the effect of increasing the remuneration payable to a public servant is of no effect.

(2) An amendment of a relevant provision amended by section 2 or 2A that would have the effect of increasing the remuneration payable to a public servant may only be made, and shall have such effect -

(a) where -

(i) the amendment is made by the Minister, including where it is made for a purpose referred to in paragraph (b), and

(ii) the relevant provision is not -

(I) a provision of an Act of the Oireachtas, or

(II) a relevant provision that is made under an Act of the Oireachtas, save where that relevant provision is so made by the Minister,