An eligible individual who is partially unemployed in any week shall, upon claim therefor filed within such time and in such manner as the commissioner may by regulation prescribe, be paid benefits for such partial unemployment in an amount equal to his weekly benefit rate, as determined in accordance with section ten of this article, less that part of wages from any source payable or bonus paid to him with respect to such week which is in excess of $60: Provided, That such amount of benefits if not a multiple of $1 shall be computed to the next lowest multiple of $1. Such partial benefits shall be paid to such individual for the week for which he is claiming benefits without regard to the provisions of subdivision (1), section one of this article.