Costs
Are Sales Tax Registration and Filing Fees Deductible on Schedule C?
Sales tax registration and filing fees are deductible business expenses. Here is what Texas and Illinois sellers can write off, and how mileage fits.
Topic
schedule c
Rules
Mileage Deductions for Real Estate Agents in Phoenix and Minneapolis
A season by season mileage log for real estate agents in Phoenix and Minneapolis, with a worked seasonal table, audit ready entries and the 2027 rate question.
Rules
California and Texas business mileage rules when you cross a state border
Tax deduction mileage across California and Texas borders: how conformity, no income tax, and apportionment shape your Schedule C deduction.
Rules
How IRS Publication 463 defines a business mileage log for US taxpayers
Tax deduction mileage logs must meet IRS Publication 463 rules: contemporaneous entries, five elements, and proof that holds up in Tax Court.
Maintenance
4 records the SBA says prove a business vehicle expense
Tax deduction mileage needs four record types the SBA names: a mileage log, receipts, repair papers, and depreciation files, each matched to Schedule C lines.