70. Returns.

Every person liable to pay betting duty or betting intermediary duty shall within 15 days following the end of the month or such other period as the Revenue Commissioners may determine, furnish to the officer of the Revenue Commissioners designated for that purpose a true and correct return of the amount of betting duty or betting intermediary duty which became due by him or her during the previous month or such other period and shall at the same time remit to the Revenue Commissioners the amount of the duty, if any, payable by him or her in respect of that month or period.