Location of IRS Publication of Federal Rates: http://apps.irs.gov/app/picklist/list/federalRates.html
Short Term
| Month/Year | 2014 | Authority |
| January | .25% | Rev. Rul. 2014-1 |
| February | .30% | Rev. Rul. 2014-6 |
| March | .28% | Rev. Rul. 2014-8 |
| April | .28% | Rev. Rul. 2014-12 |
| May | .33% | Rev. Rul. 2014-13 |
| June | .32% | Rev. Rul. 2014-16 |
| July | .31% | Rev. Rul. 2014-20 |
| August | .36% | Rev. Rul. 2014-19 |
| September | .36% | Rev. Rul. 2014-22 |
| October | .38% | Rev. Rul. 2014-26 |
| November | ||
| December |
Mid Term
| Month/Year | 2014 | Authority |
| January | 1.75% | Rev. Rul. 2014-1 |
| February | 1.97% | Rev. Rul. 2014-6 |
| March | 1.84% | Rev. Rul. 2014-8 |
| April | 1.81% | Rev. Rul. 2014-12 |
| May | 1.93% | Rev. Rul. 2014-13 |
| June | 1.91% | Rev.Rul. 2014-16 |
| July | 1.82% | Rev. Rul. 2014-20 |
| August | 1.89% | Rev. Rul. 2014-19 |
| September | 1.86% | Rev. Rul. 2014-22 |
| October | 1.85% | Rev. Rul. 2014-26 |
| November | ||
| December |
Long Term
| Month/Year | 2014 | Authority |
| January | 3.49% | Rev. Rul. 2014-1 |
| February | 3.56% | Rev. Rul. 2014-6 |
| March | 3.36% | Rev. Rul. 2014-8 |
| April | 3.32% | Rev. Rul. 2014-12 |
| May | 3.27% | Rev. Rul. 2014-13 |
| June | 3.14% | Rev. Rul. 2014-16 |
| July | 3.06% | Rev. Rul. 2014-20 |
| August | 3.09% | Rev. Rul. 2014-19 |
| September | 2.97% | Rev. Rul. 2014-22 |
| October | 2.89% | Rev. Rul. 2014-26 |
| November | ||
| December |
Short Term
| Month/Year | 2013 | Authority |
| January | .21% | Revenue Ruling 2013-1 |
| February | .21% | Revenue Ruling 2013-3 |
| March | .22% | Revenue Ruling 2013-7 |
| April | .22% | Revenue Ruling 2013-9 |
| May | .20% | Revenue Ruling 2013-11 |
| June | .18% | Revenue Ruling 2013-12 |
| July | .28% | Revenue Ruling 2013-13 |
| August | .23% | Revenue Ruling 2013-15 |
| September | .23% | Revenue Ruling 2013-18 |
| October | .32% | Revenue Ruling 2013-21 |
| November | .27% | Revenue Ruling 2013-22 |
| December | .25% | Revenue Ruling 2013-26 |
Mid Term
| Month/Year | 2013 | Authority |
| January | .87% | Revenue Ruling 2013-1 |
| February | 1.01% | Revenue Ruling 2013-3 |
| March | 1.09% | Revenue Ruling 2013-7 |
| April | 1.09% | Revenue Ruling 2013-9 |
| May | 1.00% | Revenue Ruling 2013-11 |
| June | .95% | Revenue Ruling 2013-12 |
| July | 1.63% | Revenue Ruling 2013-13 |
| August | 1.22% | Revenue Ruling 2013-15 |
| September | 1.66% | Revenue Ruling 2013-18 |
| October | 1.93% | Revenue Ruling 2013-21 |
| November | 1.73% | Revenue Ruling 2013-22 |
| December | 1.65% | Revenue Ruling 2013-26 |
Long Term
| Month/Year | 2013 | Authority |
| January | 2.31% | Revenue Ruling 2013-1 |
| February | 2.52% | Revenue Ruling 2013-3 |
| March | 2.66% | Revenue Ruling 2013-7 |
| April | 2.70% | Revenue Ruling 2013-9 |
| May | 2.60% | Revenue Ruling 2013-11 |
| June | 2.47% | Revenue Ruling 2013-12 |
| July | 3.16% | Revenue Ruling 2013-13 |
| August | 2.80% | Revenue Ruling 2013-15 |
| September | 3.28% | Revenue Ruling 2013-18 |
| October | 3.50% | Revenue Ruling 2013-21 |
| November | 3.37% | Revenue Ruling 2013-22 |
| December | 3.32% | Revenue Ruling 2013-26 |