Source: AAC-Template-04-Tax-Prep-Filing.docx (Google Drive) | Owner: Sandra Lea, CPA | Confidential — Not for Distribution

Open this template after Year End Close is complete and Sandra-approved.

Client Header

Field Value
Client Name
Tax Year
Entity Type
Filing Form
Original Due Date
Extension Filed Yes / No
Extended Due Date
Tax Preparer
Reviewer Sandra Lea
Date Filed

Key Filing Deadlines Reference

Entity Type Form Original Due Extended Due
Partnership / Multi-Member LLC Form 1065 March 15 September 15
S-Corporation Form 1120-S March 15 September 15
C-Corporation Form 1120 April 15 October 15
Individual (Sch C, E, F) Form 1040 April 15 October 15
Trust / Estate Form 1041 April 15 September 30

Phase 1 — Document Collection

Gather all supporting docs before ProConnect entry begins

# Task Form Done
1 Confirm year-end books are closed and Sandra-approved Various [ ]
2 Request tax organizer from client (via the Client Portal) Various [ ]
3 Collect prior year tax return (carryforwards, elections) Various [ ]
4 Collect 1099-NEC, 1099-MISC, 1099-K, W-2 documents Various [ ]
5 Collect 1099-INT, 1099-DIV, 1099-B (investment/bank income) Various [ ]
6 Collect K-1s from partnerships, S-Corps, trusts Various [ ]
7 Collect mortgage interest statement (1098) Sch A / E [ ]
8 Collect property tax statements (business and/or personal) Various [ ]
9 Collect vehicle mileage logs (if business vehicle deduction) Various [ ]
10 Collect home office documentation (sq footage, expenses) If applicable [ ]
11 Collect health insurance premium statements S-Corp / self-emp [ ]
12 Collect retirement plan contribution statements Various [ ]
13 Collect depreciation schedule / fixed asset list Various [ ]
14 Collect payroll summary reports Various [ ]
15 Confirm all documents received — follow up on missing items Various [ ]

Phase 2 — Pre-Preparation Review

Review and organize before ProConnect data entry

# Task Form Done
16 Review prior year return — elections, credits, carryforwards Various [ ]
17 Identify NOL carryforwards from prior years Various [ ]
18 Identify passive activity loss carryforwards Various [ ]
19 Identify capital loss carryforwards Various [ ]
20 Confirm entity type and active elections (S-Corp, QBI, etc.) Various [ ]
21 Note estimated tax payments made (amounts and dates) 1040-ES [ ]

Phase 3 — Tax Return Preparation (ProConnect)

Enter data and complete return in ProConnect Tax

# Task Form Done
22 Open / create client file in ProConnect Tax Various [ ]
23 Enter W-2 income (if individual) W-2 [ ]
24 Enter business income from QBO financials Sch C / K-1 [ ]
25 Enter all 1099 income (NEC, MISC, K, INT, DIV, B) Various [ ]
26 Enter rental income and expenses Sch E [ ]
27 Enter K-1 income from partnerships and S-Corps Sch E [ ]
28 Enter vehicle expense (actual vs. mileage method) 4562 [ ]
29 Enter home office deduction 8829 [ ]
30 Enter depreciation (Section 179 / bonus elections) 4562 [ ]
31 Enter self-employed health insurance deduction 1040 Sch 1 [ ]
32 Enter retirement plan contributions 1040 Sch 1 [ ]
33 Enter estimated tax payments made 1040 [ ]
34 Apply carryforwards (NOL, passive losses, cap losses) Various [ ]
35 Review QBI deduction (Section 199A) 8995 / 8995-A [ ]
36 Review self-employment tax calculation Sch SE [ ]
37 Enter state return data — all nexus states State forms [ ]