Forms & Guides – Liner Legal

Disability Forms & How-To Guides

Everything You Need to Keep Your Case Moving Forward

At Liner Legal, we make the complex process of applying for Social Security Disability (SSDI/SSI) or Long-Term Disability (LTD) easier by giving you quick access to the forms you need. plus guidance on how to complete them correctly.

Accurate, timely paperwork helps us build a strong case on your behalf, and avoid unnecessary delays or denials from the Social Security Administration (SSA).

Client Update Form

Start Here: Essential Disability Forms

Keep us in the loop! Use this form to update:

Disability Application Prep Worksheet

Planning to apply? Start here first. This prep guide outlines what to gather and how to get organized.

SSA Forms for SSDI & SSI

SSA-3369: Work History Report

Details your past employment key for evaluating work capacity.

Fill Out SSA-3369

SSA-3373: Function Report Adult

Explains how your condition affects your daily living.

Complete SSA-3373

📄 SSA-3380: Third Party Function Report

Completed by someone who knows your condition well such as a caregiver, friend, or family member.

Download SSA-3380

SSA-3441: Disability Report Appeal Form

For use if your application was denied and you're requesting reconsideration.

Disability Report - Appeal Form SSA 3441

SSA-8001: SSI Application

Use this if you're applying for Supplemental Security Income (SSI).

Download SSA-8001

SSA-16: SSD Application

For individuals applying for Social Security Disability Insurance (SSDI).

Download SSA-16

Medical Updates / Short Form Disability Report

Use this short form to update your condition, especially when preparing for hearings or appeals.

Fill Out the Short Form

Medical Source Statement (MSS) Forms for Providers

Have your doctor or specialist fill these out to support your disability claim. They provide medical opinions aligned with SSA criteria.

General MSS Forms:

Condition Specific MSS Forms:

Condition Specific Questionnaires

These help describe how your specific symptoms affect daily life. Complete and return them as instructed by your case manager.

Need Help Filling Out a Form?

We’re here to help! If you have questions or need step by step instructions:

(216) 282-1773

We can schedule a meeting to walk you through step by step or provide detailed assistance. You are never alone in this process.