### Question
How is the "herbicide agent" defined?


### Answer
The term **herbicide agent** is defined in *38 U.S.C. § 1822* as follows -

> a chemical in a herbicide used in support of United States and allied military operations in Thailand, as determined by the Secretary in consultation with the Secretary of Defense, during the period beginning on January 9, 1962, and ending on May 7, 1975

#### Citation:
  - *38 U.S.C. § 1822*
  - Heading: **PART II-GENERAL BENEFITS > CHAPTER 18-BENEFITS FOR CHILDREN OF VIETNAM VETERANS AND CERTAIN OTHER VETERANS > SUBCHAPTER III-CHILDREN OF CERTAIN KOREA AND THAILAND SERVICE VETERANS BORN WITH SPINA BIFIDA**

