CFR > Title 20 - Employees' Benefits > CHAPTER III—SOCIAL SECURITY ADMINISTRATION > PART 404—FEDERAL OLD-AGE, SURVIVORS AND DISABILITY INSURANCE (1950-) > SUBPART P—Determining Disability and Blindness (§404.1501 to §404.1599) > 404.1509—How long the impairment must last.

404.1509—How long the impairment must last.

Unless your impairment is expected to result in death, it must have lasted or must be expected to last for a continuous period of at least 12 months. We call this the duration requirement.