StacksVerified U.S. regulatory reference

20 CFR §220.28

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Unless the claimant's 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. This is known as the duration requirement.