Reports and payments must be filed electronically by the due date in order to be considered timely filed, except when the due date falls on a weekend or holiday, in which case such reports and payments must be filed electronically by the first working day following the due date in order to be considered timely filed.
The monthly report of the distributor shall be prepared and filed with the department on forms prescribed by the department, or such distributor may, with the approval of the department, furnish the required information on machine-prepared schedules setting out such information as is prescribed on the forms furnished by the department. Such monthly reports shall be signed by the distributor in person or by his duly authorized agent and shall contain a declaration that the statements contained therein are true and are made under penalty of perjury.
Miss. Code § 27-57-13