You can find the CP or LTR number on the right corner of the letter. To schedule an appointment, call 844-545-5640.Does anyone have sample letters to the IRS for different situations? Maybe one with code numbers and explainations. You can deduct a part of your medical and dental expenses, and amounts you paid for certain taxes, interest, contributions, and other expenses. Make a bank draft via our online payment system. You can find the CP or LTR number on the right corner of the letter. Appendix X Sample Curriculum Alignment Letter . Close submenu ( Payment Plans) Payment Plans. When you donate goods to The Salvation Army, all donation proceeds are used to fund our Adult Rehabilitation Centers.