20 CFR §408.510

1. (a)Amount of the reduction. If you receive other benefit income as defined in § 408.220, we will reduce your SVB payment by the amount of the other benefit income you receive in that month. The reduction is on a dollar-for-dollar and cents-for-cents basis. We do not round SVB payment amounts except as described in paragraph (b) of this section.
2. (b)Minimum benefit amount. If the reduction described in paragraph (a) of this section results in a benefit amount that is greater than zero but less than $1.00, we will pay you a benefit of $1.00 for that month.