(1) This Chapter applies to -

(a) a relevant claim in respect of which an application was, before the commencement of this section, made under section 11 where -

(i) an authorisation has not issued in respect of the relevant claim concerned, and

(ii) neither the claimant nor any of the respondents have -

(I) responded to a notice served in accordance with section 30, nor

(II) been deemed to have accepted or not accepted, as the case may be, an assessment in accordance with section 31,

and

(b) a relevant claim in respect of which an application was, on or after the commencement of this section, made under section 11.

(2) In this Chapter -

"date of the completion of the mediation" means - (a) the date that the document referred to in section 18C(1)(b) is signed by each of the parties, or (b) where the document is signed by the parties on different dates, the last of those dates;;