42 U.S. Code § 1010 - Other administrative provisions
(a) Regulations and administrative arrangements
The Commissioner of Social Security may prescribe such regulations, and make such administrative and other arrangements, as may be necessary or appropriate to carry out this subchapter.
(b) Payment of benefits
Benefits under this subchapter shall be paid at such time or times and in such installments as the Commissioner of Social Security determines are in the interests of economy and efficiency.
(c) Entitlement redeterminations
An individual’s entitlement to benefits under this subchapter, and the amount of the benefits, may be redetermined at such time or times as the Commissioner of Social Security determines to be appropriate.