Form 990-N (the e-postcard), Form 990-T and Form 4720 are normally by the 15th day of the 5th month after the end of the accounting year. For an organization with a December 31 year-end ...
Form 990-N (e-Postcard): Applicable for small organizations with annual gross receipts of $50,000 or less. Form 990-EZ: Designed for organizations with gross receipts under $200,000 and total ...