Group 1 - The core concept of manuscript income is defined as the income obtained by individuals from the publication of their works in books, newspapers, and other forms [3] - For professional personnel such as journalists and editors employed by newspapers and magazines, the income from published works is considered as income from employment and should be combined with their monthly salary for tax purposes [4] Group 2 - The calculation method for withholding and prepayment of manuscript income tax involves using the income amount for each instance as the taxable income, with a deduction of 70% from the income after expenses [6] - If the manuscript income does not exceed 4000 yuan, a fixed deduction of 800 yuan is applied; for income exceeding 4000 yuan, a deduction of 20% of the income is applied [6] - A withholding tax rate of 20% is applicable to manuscript income [6] Group 3 - There are differences between withholding and annual settlement for manuscript income, with the annual settlement applying a unified deduction of 20% from the total income [9] - The withholding tax rate is a flat 20%, while the annual settlement uses a progressive tax rate ranging from 3% to 45% based on total income [9] Group 4 - Individuals can self-declare manuscript income in the annual settlement if the company fails to withhold the tax [10] - The process for self-declaration includes using the personal income tax app to complete the necessary steps for annual settlement [10][17]