(b)
Definitions
For the purpose of this section—
(1)
Endowment contract
A contract of endowment insurance is a contract with an insurance company which depends in part on the life expectancy of the insured, but which may be payable in full in a single payment during his life.
(2)
Annuity contract
An annuity contract is a contract to which paragraph (1) applies but which may be payable during the life of the annuitant only in installments.
(3)
Life insurance contract
A contract of life insurance is a contract to which paragraph (1) applies but which is not ordinarily payable in full during the life of the insured.