Calculating IRC Section 6621 Interest For Non-Tax Situations

IRC Section 6621 provides the interest rates used to compute interest on underpayments and overpayments of tax.  However, there are situations where IRC Section 6621 is referred to in non-tax situations.  The IRS Interest & Penalty Calculator can be a time saver for most of those situations. If you want more information on tax related interest computations go to How To Compute IRS Interest By Yourself, IRS Interest Rates or the IRS Interest and Penalty Calculator.

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Title 28 of the U.S.C. -- Section 1961 (28 USC 1961 or 28USC1961) -- Interest

The IRS interest rates may be used in certain non-tax situations pertaining to civil cases in district courts.

Title 5 of the U.S.C. -- Section 5596 (5 USC 5596 or 5USC5596) -- Back pay...

The IRS interest rates may be used where back pay is due a federal employee.

Title 15 of the U.S.C. -- Section 1117 (15 USC 1117 or 15USC1117) -- Recovery for violation of rights; profits...

The IRS interest rates may be used where there is a violation of patent or trademark law.

48 CFR 9903.2014

The IRS interest rates may be used where the government has overpaid a contractor.

Title 42 of the U.S.C. -- Section 7524 (42 USC 7524 or 42USC7524) -- Civil Penalties pertaining to motor vehicle emission and fuel standards

The IRS interest rates may be used where the government has assessed air pollution penalties.

29 CFR 2610.7 -- Interest on PBCG premiums

The IRS interest rates may be used to compute interest on Pension Benefit Guaranty Corporation ( PBGC ) premiums.

Title 29 of the U.S.C. -- Section 1132 (29 USC 1132 or 29USC1132) -- Civil enforcement (Protection of Employee Benefit Rights)

The IRS interest rates may be used to compute interest related to certain civil actions.

Title 14 of the U.S.C. -- Section 830 (14 USC 830 or 14USC830) -- Availability of appropriation

The IRS interest rates may be used to compute interest related to reimbursements to members of the Coast Guard auxiliary.

 

 

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