A veteran of the Vietnam era means a person who:

1. Served on active duty for a period of more than 180 days, and was discharged or released therefrom with other than a dishonorable discharge, if any part of such active duty occurred:
1. In the Republic of Vietnam between February 28, 1961, and May 7, 1975; or
2. Between August 5, 1964, and May 7, 1975, in all other cases.

OR

2. Was discharged or released from active duty for a service-connected disability if any part of such active duty was performed:
1. In the Republic of Vietnam between February 28, 1961, and May 7, 1975; or
2. Between August 5, 1964, and May 7, 1975, in all other cases.

See Vietnam Era Veterans' Readjustment Assistance Act of 1974 41 CFR 60-250.2(p).