Darragh O'Brien (Dublin Fingal, Fianna Fail) | Oireachtas source

Section 136(1) refers to "where an alteration or extension requested under subsection (1) of section 135 "." So this goes back to section 135, which is the main section within it. The request under section 135(1), referred to in section 136, is assessed under section 135(3). Section 136 goes back to section 135(1) and then we can see what flows out of section 135(1) with regard to what a request would entail, which is laid out in section 135(3):

A request under subsection (1) shall specify —

(a) the particulars of the alteration requested,

(b) the period of the extension requested, or

(c) both those particulars and that period,

and shall be accompanied by —

(i) sufficient information to allow the deciding authority to assess the request, and

(ii) where the deciding authority —

(I) is a planning authority ...