GENERAL

• § 404.101 - Introduction.

• § 404.102 - Definitions.

FULLY INSURED STATUS

• § 404.110 - How we determine fully insured status.

• § 404.111 - When we consider a person fully insured based on World War II active military or naval service.

• § 404.112 - When we consider certain employees of private nonprofit organizations to be fully insured.

• § 404.115 - Table for determining the quarters of coverage you need to be fully insured.

CURRENTLY INSURED STATUS

• § 404.120 - How we determine currently insured status.

DISABILITY INSURED STATUS

• § 404.130 - How we determine disability insured status.

• § 404.131 - When you must have disability insured status.

• § 404.132 - How we determine fully insured status for a period of disability or disability insurance benefits.

• § 404.133 - When we give you quarters of coverage based on military service to establish a period of disability.

QUARTERS OF COVERAGE

• § 404.140 - What is a quarter of coverage.

• § 404.141 - How we credit quarters of coverage for calendar years before 1978.

• § 404.142 - How we credit self-employment income to calendar quarters for taxable years beginning before 1978.

• § 404.143 - How we credit quarters of coverage for calendar years after 1977.

• § 404.144 - How we credit self-employment income to calendar years for taxable years beginning after 1977.

• § 404.145 - When you acquire a quarter of coverage.

• § 404.146 - When a calendar quarter cannot be a quarter of coverage.

• Appendix Appendix to - Appendix to Subpart B of Part 404—Quarter of Coverage Amounts for Calendar Years After 1978