(a) by inserting “debt or” before “liquidated”;
(b) by omitting all the words after “interest” and substituting “ascertained in accordance with subrule (2) and costs”; and
(c) by adding at the end the following subrules:
“(2) The interest referred to in subrule (1) is—
(a) if the indorsement on the writ specifies the rate of interest claimed to be payable as of right—interest to the date of the judgment calculated at that rate; or
(b) in any other case—
(i) interest to the date of the judgment calculated at such rate; or
(ii) in lieu of any such interest, a lump sum of such an amount;
as the Court determines.
“(3) In determining interest or a lump sum for the purposes of paragraph (2) (b), the Court may have regard to Practice Directions issued by the Court relating to interest up to judgment.”.