In any undefended action of divorce or separation where—
(a) the facts set out in section 1(2)(a) (adultery), 1(2)(c) (desertion), 1(2)(d) (two years' non-cohabitation and consent) or 1(2)(e) (five years' non-cohabitation) of the Divorce (Scotland) Act 1976 are relied on; and
(b) the pursuer seeks to prove these facts by means of affidavits, the pursuer’s solicitor may in respect of the work specified in column 1 of Table B in this paragraph charge, in a case where he is an Edinburgh solicitor acting alone, the inclusive fee specified in respect of that work in column 2 of that Table, and, in any other case, the inclusive fee specified in respect of that work in column 3 of that Table.