| April 15 | Tax Day |
| April 15 | Forms 7004 and 8928 Filing Deadline |
| April 29 | *File Outstanding MEPSL Claims
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| April 30 | Quarterly Forms 720 and 941 Due |
| April 30 | Summary Plan Description (SPD)
SPD: Documentation employers must give employees in retirement plans or health benefit plans covered by the Employee Retirement Income Security Act of 1974 (ERISA). |