What Is the SEP Birthday Rule
The SEP birthday rule determines how employers allocate contributions across eligible employees. Each employee must receive a contribution proportional to their compensation if the employer contributes for any eligible employee. This rule applies to all SEP-IRA plans and ensures non-discriminatory treatment. The IRS defines eligible employees as those who are at least 21 years old, have worked for the employer in three of the last five years, and earned at least $750 in the current year. For more details on eligibility, see the IRS SEP-IRA guidelines here.
Employers can choose any contribution rate between 1% and 25% of each eligible employee's compensation. The rate must be the same percentage for all employees, though dollar amounts will differ based on compensation. The contribution deadline aligns with the employer's tax filing deadline, including extensions. This structure makes SEP plans popular among small business owners and self-employed individuals. The SEC provides additional guidance on retirement plan requirements here.
SEP Contribution Limits and Calculation
2024 Contribution Cap
The maximum SEP contribution for an employee is the lesser of 25% of compensation or $69,000 for the 2024 tax year. For self-employed individuals, the calculation uses a slightly different formula to account for the self-employment tax deduction. Compensation is defined as net earnings from self-employment minus one-half of the self-employment tax and deductible plan contributions. This cap adjusts periodically for inflation. The latest figures are confirmed by the IRS here.
How to Calculate the Contribution
To calculate the contribution, first determine each employee's eligible compensation. Then apply the chosen contribution rate uniformly. For example, a 10% contribution rate on $50,000 compensation results in a $5,000 contribution. Employers must complete this calculation for all eligible employees by the tax filing deadline. Mistakes in calculation can lead to plan disqualification or IRS penalties. Forbes covers small business retirement planning strategies here.
SEP Plan Setup and Deadlines
Filing and Adoption Requirements
Employers must adopt a written SEP plan document by the tax filing deadline for the tax year in which contributions are made. The plan document can be a prototype provided by a financial institution or a custom document. Contributions can be made up to the tax filing deadline, including extensions, for the prior year. This flexibility allows businesses to finalize contributions after the year ends. The plan must be communicated to all eligible employees.
Penalties for Late or Incorrect Contributions
Failure to follow the SEP birthday rule or missing the contribution deadline can result in IRS excise taxes. Incorrect allocation of contributions may also trigger plan disqualification. Employers should maintain records of all contributions and eligibility determinations. Correcting errors promptly can mitigate some penalties. Tesla's corporate finance disclosures often reference strict retirement plan compliance here.