Are letters that are mailed in support of a slate of candidates in a local election deductible on the IRS Form 1120 POL for a small political action committee?

TurboTax does no support IRS Form 1120-POL, U.S. Income Tax Return for Certain Political Organizations

Go to this IRS website for information on what is reported on and deductible on a Form 1120-POL - https://www.irs.gov/charities-non-profits/political-organizations/form-1120-pol-contents-of-return