Compensation which is treated as wages under §404.1408 shall be used, together with wages (see subpart K of this part) and self-employment income (see subpart K of this part), for purposes of:

(a) Determining an individual's insured status for monthly benefits or the lump-sum death payment (see subpart B of this part);

(b) Computing such individual's primary insurance amount (see subpart C of this part);

(c) Determining an individual's entitlement to the establishment of a period of disability (see subpart B of this part for disability insured status requirements); and

(d) Applying the deduction provisions of section 203 of the act (see subpart E of this part).

[25 FR 5183, June 10, 1960]