A Labour service agency raising bills for the service rendered in the month of March 2013 on 01.04.2013. The salary will be made before 10th and PF and ESI contribution are paid by end of April 2013. The agency follows mercantile system of accounting. My question is
1. In this case what is the due date for payment of PF and ESI under Income tax Act.
2. by following the above system the bill of the March of every year is raised during next financial year. will it be violation of accounting rules.
the above system of accounting is contineously following every year.