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:
- Doctors or treatments
- Medications
- Job or income status
- Address or contact info
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
Condition Specific Questionnaires
These help describe how your specific symptoms affect daily life. Complete and return them as instructed by your case manager.
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:
- Amputation/Orthopedic Injury
- Auditory Impairments
- Autism Spectrum Disorder
- Autoimmune Disorders
- Cardiac Conditions
- Chronic Fatigue Syndrome/Myalgic Encephalomyelitis
- Chronic Pain Syndrome
- Endocrine Disorders
- Fibromyalgia
- Gastrointestinal Disorders
- Headache Disorders
- Hematological Disorders
- HIV / AIDS
- Intellectual/Developmental Disorders
- Liver Disorders
- Lower Extremity Disorders
- Mood / Anxiety Disorders
- Multiple Sclerosis (MS)
- Neurodegenerative Disorders
- Neuropathic Disorders
- Oncology
- POTS / Dysautonomia
- Pulmonary Disorders
- Renal Disorders
- Schizophrenia / Psychotic Disorders
- Seizure Disorders
- Skin Disorders / Dermatologic Conditions
- Spinal Disorders
- Stroke / Cerebrovascular Accident (CVA)
- Traumatic Brain Injury (TBI)
- Upper Extremity/Cervical Disorders
- Vision Impairments / Visual Disorders
Need Help Filling Out a Form?
We’re here to help! If you have questions or need step by step instructions:
We can schedule a meeting to walk you through step by step or provide detailed assistance. You are never alone in this process.
Tips for Completing Disability Forms
- Be detailed and honest
- Use real life examples of your limitations
- Don’t skip questions write "N/A" if needed
- List all doctors, diagnoses, and treatments
- Keep copies of everything you submit
