Rates are set by fiscal year, effective October 1 each year. Find current rates in the continental United States ("CONUS Rates").
There are limits on how much an employer can contribute on behalf of plan participants. There are also limits on the amount an employer may deduct. Your plan must provide that contributions and benefits cannot exceed certain limits. These limits differ depending on whether your plan is a defined contribution plan or defined benefit plan.
If you're self-employed you may or may not be able to make plan contributions for yourself in any given year depending on whether you have net business income or a loss and whether you earned the income from your services in the business or just as an investor.
You MAY make before-tax contributions for yourself in any given if:
You may NOT make plan contributions in any given year if:
You deduct contributions for yourself, as a self-employed person, on Form 1040, line 28. Contributions on behalf of your employees are deducted on Scheduled C (or Schedule F) for sole proprietors.