Under the annual earnings test, excess earnings (as described in § 404.430 ) are not charged to any month in which an individual is deemed not entitled to a benefit. A beneficiary (i.e., the insured individual or any person entitled or deemed entitled on the individual's earnings record) is deemed not entitled to a benefit for a month if he is subject to a deduction for that month because of:
20 C.F.R. §404.436