In any civil proceedings—
shall (subject to subsection (3) below) be admissible in evidence for the purpose of proving, where to do so is relevant to any issue in those civil proceedings, that he committed the adultery to which the finding relates or, as the case may be, is (or was) the father of that child, whether or not he offered any defence to the allegation of adultery or paternity and whether or not he is a party to the civil proceedings; but no finding or adjudication other than a subsisting one shall be admissible in evidence by virtue of this section.
In any civil proceedings in which by virtue of this section a person is proved to have been found guilty of adultery as mentioned in subsection (1)(a) above or to have been found or adjudged to be the father of a child as mentioned in subsection (1)(b) above—
Nothing in this section shall prejudice the operation of any enactment whereby a finding of fact in any matrimonial or affiliation proceedings is for the purposes of any other proceedings made conclusive evidence of any fact.
Subsection (4) of section 11 of this Act shall apply for the purposes of this section as if the reference to subsection (2) were a reference to subsection (2) of this section.
In this section—
"matrimonial proceedings " means any matrimonial cause in the High Court or family court in England and Wales or in the High Court in Northern Ireland, any consistorial action in Scotland, or any appeal arising out of any such cause or action;
" relevant proceedings " means—
and in this subsection " consistorial action " does not include an action of aliment only between husband and wife raised in the Court of Session or an action of interim aliment raised in the sheriff court.