- Social Security numbers or Taxpayer Identification Numbers (TINs) for yourself, your spouse, and any dependents.

   - Any changes in your address, marital status, or dependents.

2. Income:

   - W-2 forms for each job you worked during the tax year.

   - 1099 forms for any freelance work or self-employment income.

   - Income documents related to rental properties, investments, or retirement accounts.

   - Alimony received or paid, if applicable.

   - Unemployment income statements, if applicable.

   - Any other relevant income-related documents.

3. Deductions and Credits:

   - Receipts and records for deductible expenses, such as medical expenses, charitable contributions, mortgage interest, and property taxes.

   - Documentation for any education-related expenses or student loans.

   - Records of business expenses if you are self-employed.

   - Home office expenses, if applicable.

   - Information on any health savings accounts (HSAs) or other eligible tax-advantaged accounts you contributed to.

4. Investment and Retirement Accounts:

   - Forms 1099-B or year-end statements from brokers or financial institutions reporting sales of stocks, bonds, or mutual funds.

   - Records for any capital gains or losses.

   - IRS Form 5498 for contributions made to Individual Retirement Accounts (IRAs).

   - Statements for any other retirement accounts, such as 401(k)s or 403(b)s.

5. Health Insurance:

   - Forms 1095-A, 1095-B, or 1095-C to report health insurance coverage.

   - Records of any premiums paid for health insurance if you are self-employed.

6. Other:

   - Documentation for any state or local taxes paid.

   - Records of any tuition or education expenses.

   - Documentation of any energy-saving home improvements, if eligible for tax credits.

   - Records of any estimated tax payments made throughout the year.

Once you have gathered all the necessary documents, providing them to your accountant will help ensure a smooth tax preparation process. Additionally, make sure to communicate any significant life changes or events that may impact your tax situation to your accountant.

It is important to consult with your accountant regarding specific documents they require for your tax preparation. They may have additional requirements or specific preferences.