Take Control of Your 2026 Partnership Taxes with the Ultimate 1065 Checklist

Take Control of Your 2026 Partnership Taxes with the Ultimate 1065 Checklist

Filing partnership forms doesn't have to be overwhelming. Here's how you can stay ahead, avoid costly mistakes, and file with confidence.

Filing partnership forms doesn't have to be overwhelming. Here's how you can stay ahead,
avoid costly mistakes, and file with confidence.

Filing Your Partnership Taxes doesn't
have to be stressful

Stay highly organized with our interactive section-by-section breakdown. Gather correct documentation, track critical partnership distributions, and submit seamlessly.

The Deadline to File Your Partnership Form or request a

Tax Extension is MARCH 15, 2027

Section 01

Basic Information

Verify Your Business Filing Type

Ensure your business entity type is registered with the IRS (Form 1065, 1120, or 1120S). Not sure? Call the IRS Business Help Line: 1-800-829-4933

Employer Identification Number (EIN)

Have your EIN handy. If you need a new one, apply online at IRS.gov

State Reporting Details

Gather state and local ID numbers for every location where your business has a tax obligation/nexus

Organizational Documents

Gather state and local ID numbers for every location where your business has a tax obligation/nexus

Previous Tax Returns

Locate your prior year's Form K-1s, and locate returns for reference while completing Form 1065

Estimated Tax Payments

List all partnership-level federal state and local taxes during the year, including dates and amounts

Section 02

Partner Information

Partner Details

Collect names, addresses, and SSNs or EINs for all partners active during the tax year

Ownership & Profit Details

List each partner's percentage and share of profits or losses for accurate Form 1065 filing

Financial Activity Reports

Financial activity reports including addresses, compensation, or benefit procedures and tax items

Ownership Changes

Document any changes in partner ownership, including entry or exit dates, for inclusion in Form 1065

Section 03

Documents Received

Quarterly Tax Forms

Gather all received forms such as 1099-INT, 1099-MISC, 1099-DIV, 1099-R, and 1099-NEC

Ownership & Profit Details

List all earnings/payments and each partner's share of profits or losses for accurate Form 1065 filing

Schedule K-1

Review any Schedule K-1 forms for known partner business income

Credit Certificates

Collect any credit certificates issued by federal or state agencies

Section 04

Business and Financial Records

Accounting Records

Run a P&L report/balance sheet from your accounting software (QuickBooks Online)

Bank and Credit Card Statements

Review statements to validate business expenses and interest payments for Form 1065

Payroll Reports

Copies of issued Forms W-2 and W-3, including 940 and 941/944 returns, plus copies of prior and current payroll taxes paid

Multi-State Activity

For partners in multiple states, compile reports showing sales, payroll, and property values to state

Business Registrations

Record the cost of goods/materials bought for resale or production and the year-end value of inventory

Section 05

Asset Records

Depreciation Schedules

List asset details such as cost, purchase date, prior depreciation, and bonus/section 179 percentage

Log Purchases

Log purchases made during the year, including costs and dates of service

Disposed Assets

Detail sales proceeds, trade-in values, expenses of sale, and accumulated depreciation for assets sold or traded

Vehicle Mileage Log

Provide a mileage log for any business-owned or employee-use vehicles, including parking/tolls/insurance and total mileage

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