1. Actually, it was so written in the 1952 legislation as to be inoperative, but then was reenacted in 1954 to be on a permanent, ongoing basis.

2. Blind persons need be only fully insured.

3. For those disabled before age 24, the requirement is six QCs in the last 12 quarters.

4. Specifically four such quarters for ages 42–46, grading down to none for ages 26 and under.

5. For individuals who die before age 62, the computation is made as though the individual had attained age 62 in the year of death. In addition, for deferred widow’s benefits, an alternative computation based on indexing the deceased’s earnings record up to the earlier of age 60 of the worker or age 60 of the widow is used if this produces a more favorable result.

6. The income ...

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