300.1. If a member dies during the period in which all or part of his pension is postponed, the second paragraph of section 299 does not apply; however, the value of the benefit provided for in that paragraph shall, in determining the spouse’s benefits, be added to the value established under subparagraph 2 of the first paragraph of section 88 or, where there is no spouse, to the value of the benefit referred to in the third paragraph of that section.