1. Modification of presumption of service connection for veterans who were exposed to herbicide agents while serving in the Armed Forces in Thailand during the Vietnam era (a) In general The Secretary of Veterans Affairs shall ensure that if the Secretary creates a presumption of service connection between the occurrence of a disease and exposure to a herbicide agent while serving in the Armed Forces during the Vietnam era at a military base in Thailand, such presumption also applies to exposure to a herbicide agent while serving in the Armed Forces during the Vietnam era at any military base located in Thailand without regard to where on the base the veteran was located or what military job specialty the veteran performed. (b) Definitions In this section: (1) Herbicide agent The term herbicide agent has the meaning given such term in section 1116(a) of title 38, United States Code. (2) Veteran and vietnam era The terms veteran and Vietnam era have the meaning given such terms in section 101 of title 38, United States Code. 2. Benefits for children of certain Thailand service veterans born with spina bifida (a) In general Subchapter III of chapter 18 of title 38, United States Code, is amended by adding at the end the following new section: 1822. Benefits for children of certain Thailand service veterans born with spina bifida (a) Benefits authorized The Secretary may provide to any child of a veteran of covered service in Thailand who is suffering from spina bifida the health care, vocational training and rehabilitation, and monetary allowance required to be paid to a child of a Vietnam veteran who is suffering from spina bifida under subchapter I of this chapter as if such child of a veteran of covered service in Thailand were a child of a Vietnam veteran who is suffering from spina bifida under such subchapter. (b) Spina bifida conditions covered This section applies with respect to all forms and manifestations of spina bifida, except spina bifida occulta. (c) Veteran of covered service in Thailand For