6. Return.- (1) Notwithstanding anything contained in section 6A, every employer registered under this Act, shall furnish to the assessing authority within sixty days of the expiry of the year, a return in the prescribed form showing therein the salaries and wages paid by him and the amount of tax deducted by him in respect thereof during the preceding year.

 Provided further that the specified class of employers as may be notified by the Commissioner shall submit the return in the prescribed form, electronically through internet in the manner specified in the said notification.

(2) Before any employer submits any return under sub-section (1), he shall, in the prescribed manner, pay in advance the full amount of tax payable by him on the basis of such return as reduced by any tax already paid under section 6A and shall furnish along with the return satisfactory proof of the payment of such tax, and a return without such proof of payment shall not be deemed to have been filed. After the final assessment is made, the amount of tax so paid shall be deemed to have been paid towards the tax finally assessed.

Provided that the specified class of employers as may be notified by the Commissioner shall pay the tax payable on the basis of the return under sub-section (1), by electronic remittance through internet in the manner specified in the said notification.