78.3—Definitions.

(a) Income tax. Any form of tax under a State statute where the collection of that tax either imposes on employers generally the duty of withholding sums from the compensation of employees and making returns of such sums to the State, or grants employers generally the authority to withhold sums from the compensation of employees if any employee voluntarily elects to have such sum withheld. And, the duty to withhold generally is imposed, or the authority to withhold generally is granted, with respect to the compensation of employees who are residents of such State.
(b) Member. A person originally appointed or enlisted in, or conscripted into, a Uniformed Service who has retired from the regular or reserve component of the Uniformed Service concerned.
(c) Retired pay. Pay and benefits received by a member based on conditions of the retirement law, pay grade, years of service, date of retirement, transfer to the Fleet Reserve or Fleet Marine Corps Reserve, or disability. It also is known as retainer pay.
(d) State. Any State, the District of Columbia, the Commonwealth of Puerto Rico, and any territory or possession of the United States.