(a) Services performed after 1961. Services performed by an employee after 1961 in the employ of a religious, charitable, educational, or other organization described in section 501(c)(3) which is exempt from income tax under section 501(a) are excepted from employment, if the remuneration for such service is paid after 1961. For provisions relating to exemption from income tax of an organization described in section 501(c) (3), see Part 1 of this chapter (Income Tax Regulations).

(b) Services performed before 1962. (1) Services performed by an employee in the employ of an organization described in section 3306(c)(8) as in effect before 1962, that is, a corporation, community chest, fund, or foundation, organized and operated exclusively for religious, charitable, scientific, testing for public safety, literary, or educational purposes, or for the prevention of cruelty to children or animals, no part of the net earnings of which inures to the benefit of any private shareholder or individual, and no substantial part of the activities of which is carrying on propaganda, or otherwise attempting, to influence legislation, are excepted from employment if (i) the services are performed before 1962, or (ii) remuneration for the services is paid before 1962.

(2) Any organization which is an organization of a type described in section 501(c)(3) and which—

(i) Is exempt from income tax under section 501(a), or

(ii) Has been denied exemption from income tax under section 501(a) by reason of the provisions of section 503 or 504, relating to prohibited transactions and to accumulations out of income, respectively,