IRS Rules for IRA and 401k

If you are covered by a pension plan at work such as a 401k, your traditional IRA contributions may or may not be deductible depending on the filing status and AGI. The IRS rules for IRA and retirement plan at work such as a 401k is found in the IRS Publication 17   page 118.

If you are not covered by a retirement plan at work, your deductible traditional IRA contributions may still be limited if your spouse is covered by a retirement plan.