Maine Part 1A (Including Schedules A, B, C, D and Drops) is a set of tax forms for individuals and businesses in the state of Maine. This includes the individual income tax return (Form 1040ME) and the corporate income tax return (Form 1120ME), as well as Schedule A (itemized deductions), Schedule B (Interest and Dividends), Schedule C (Business Income and Expenses), Schedule D (Capital Gains and Losses) and Drops (Deduction Reimbursement Plans). The DRP allows taxpayers to deduct certain expenses from their taxable income to reduce their tax liability. Additionally, Schedule C allows for the deduction of certain business expenses, such as advertising, supplies, office rent, and other business expenses.