payment calculation base
(4) Definitions In this subsection: (A) Payment calculation base The term “payment calculation base” means, for any calendar year— (i) in connection with a title II disability beneficiary, the average disability insurance benefit payable under section 423 of this title for all beneficiaries for months during the preceding calendar year; and (ii) in connection with a title XVI disability beneficiary (who is not concurrently a title II disability beneficiary), the average payment of supplemental security income benefits based on disability payable under subchapter XVI (excluding State supplementation) for months during the preceding calendar year to all beneficiaries who have attained 18 years of age but have not attained 65 years of age. (B) Outcome payment period The term “outcome payment period” means, in connection with any individual who had assigned a ticket to work and self-sufficiency to an employment network under the Program, a period— (i) beginning with the first month, ending after the date on which such ticket was assigned to the employment network, for which benefits (described in paragraphs (3) and (4) of subsection (k)) are not payable to such individual by reason of engagement in substantial gainful activity or by reason of earnings from work activity; and (ii) ending with the 60th month (consecutive or otherwise), ending after such date, for which such benefits are not payable to such individual by reason of engagement in substantial gainful activity or by reason of earnings from work activity.