### Question
How does the law define applicable 1-year period?


### Answer
Under *19 U.S.C. § 3721*, **applicable 1-year period** is defined as:

> each of the 12-month periods beginning on October 1 of each year and ending on September 30 of the following year

#### Citation:
  - *19 U.S.C. § 3721*
  - Heading: **CHAPTER 23-EXTENSION OF CERTAIN TRADE BENEFITS TO SUB-SAHARAN AFRICA > SUBCHAPTER II-TRADE BENEFITS**

