965.129. A coverage deficiency amount in respect of an individual means, in respect of a particular withdrawal from a stock savings plan II at a particular time, the amount determined by the formula
(A + B) - (C + D).
In the formula in the first paragraph,(a) A is the adjusted cost of the qualifying shares withdrawn from the plan at the particular time referred to in the first paragraph;
(b) B is the adjusted cost of the qualifying securities withdrawn from the plan at the particular time referred to in the first paragraph;
(c) C is the adjusted cost of the qualifying shares and valid shares acquired after the particular time referred to in the first paragraph and included in the plan on or before the last day of the second month following the month in which the particular withdrawal occurred; and
(d) D is the adjusted cost of the qualifying securities acquired after the particular time referred to in the first paragraph and included in the plan on or before the last day of the second month following the month in which the particular withdrawal occurred.