In her article, "What Are the Confederate Amnesty Papers?, Melissa Slate explains The Amnesty Proclamation of December 8,1863 and outlines amnesty requirements. Being a United States record, the Confederate Amnesty Papers are housed at the National Archives. Indexes may be available for some states, such as those for Tennessee. In addition, Footnote.com has made these records available online. You may look for hints to amnesty among a soldier's compiled service record. According to the Civil War publication on the National Archives website, "References to oaths of allegiance and paroles from Confederate soldiers can often be found referenced in compiled military service records for captured soldiers/prisoners." Civil War paroles, also noted in that document, might be another resource to consider.