The TDIU Workbook
Fillable worksheets for building the work-history record behind an unemployability claim.
TDIU is decided on work evidence, and the work history record in these pages is the most useful thing you can hand anyone helping you.
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About this workbook
Fillable worksheets for Total Disability based on Individual Unemployability. Check the rating thresholds and the one-disability rule, sort marginal from gainful work, build your work history record, prepare Forms 21-8940 and 21-4192, and keep a monthly log once you work.
Worksheets inside
- Two Doors check
- Eligibility self-check
- Marginal versus substantially gainful worksheet
- The Work History Record
- What Happened On the Job organizer
- Form packet worksheet for VA Form 21-8940
- Before you file check
Which one do you need?
- The free field guides on this site walk you through each task, step by step.
- The book (100 Percent Pay Without a 100 Percent Rating) explains the whole subject in depth, with the reasons behind each rule.
- This workbook is where you do the work: fillable pages that keep your records, dates and notes in one file, in order.
You don't need all three. The free guide is enough to do the steps. The workbook is for people who want it organized in one place.
Details
- Fillable PDF, US Letter, 14 pages, 152 fillable fields
- Fill it on screen in the free Adobe Acrobat Reader, or print it and write by hand
- Current as of October 2026
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J. Erickson
Author, educator, former veteran service officer.
J. Erickson is a service-disabled Air Force veteran. He served as a military firefighter and as a veteran service officer, where he spent years walking veterans through the same claims process he writes about now. He holds an MBA and writes plain-language guides for veterans who want to understand the system without a translator.
Read more about the author