### Question
How is the "registration period" defined?


### Answer
The term **registration period** is defined in *15 U.S.C. § 9030* as follows -

> given such term under section 1 of the Railroad Unemployment Insurance Act (45 U.S.C. 351).

#### Citation:
  - *15 U.S.C. § 9030*
  - Heading: **CHAPTER 116-CORONAVIRUS ECONOMIC STABILIZATION (CARES ACT) > SUBCHAPTER II-UNEMPLOYMENT INSURANCE PROVISIONS**

