(1) As between -

(a) one or more respondents and either or both -

(i) one or more non-participating respondents,

(ii) one or more non-accepting respondents,

(b) one or more non-participating respondents or non-accepting respondents and either or both -

(i) one or more other non-participating respondents,

(ii) one or more other non-accepting respondents,

and

(c) any one or more of the foregoing persons and one or more other persons (not falling within either of the preceding paragraphs) who are concurrent wrongdoers as respects the relevant claim,

an order to pay shall, for the purposes of section 22 of the Act of 1961, be regarded as a settlement by the first-mentioned respondent or respondents in paragraph (a) with the claimant of his or her relevant claim.

(2) In this section and the following section -