Article 4 Increases in certain lump sums

In respect of any lump sum or instalment of a lump sum which became payable before 28th July 1986 but after 24th November 1985 there may be paid an increase of$1.1per\; centof\mathrm{the\; amount\; of\; the\; lump\; sum\; or\; instalment\; (as\; increased\; by\; the\; amount\; under\; section\; 1\; of\; the\; 1971\; Act\; or\; under\; the\; existing\; Orders)}multiplied\; by\frac{A}{B}$ where