410.540—Reductions; more than one reduction event.
If a reduction for receipt of State benefits (see § 410.520) and a reduction on account of excess earnings (see § 410.530) are chargeable to the same month, the benefit for such month is first reduced (but not below zero) by the amount of the State benefits (as determined in accordance with § 410.520(c) ), and the remainder of the benefit for such month, if any, is then reduced (but not below zero) by the amount of excess earnings chargeable to such month.