Form 480.31

Deposit of Income Tax Withheld from Non-residents for April exceeding $200.

Form 480.9

Payment of Income Tax Withheld on dividends, partnerships distributions, interest, and 10% IRA penalty.

Form 480.9A

Deposit of tax withheld from professional services and other income subject to withholding of April.

Form 499 R-1

Employer’s Monthly Deposit of Income Tax Withheld from Employees in April.

Form SC 2225

Filing and payment of monthly Excise Tax Return.

Form AS 2970.1

Declaration of Imports. Payment for Non-bonded importers is the day of introduction of items. Bonded importers pay the 10th of the following month of introduction.

Form SC 2788B

Donor’s Gift Tax Return, if the 3-month automatic extension was filed.

EFTPS

Quarterly FUTA deposit for quarter ended March 31st if liability exceeds $500, if not carryforward liability to next quarter.