To amend title 38, United States Code, to extend the period of time for the manifestation of chronic disabilities due to undiagnosed symptoms in veterans who served in the Persian Gulf War in order for those disabilities to be compensable by the Secretary of Veterans Affairs.

Persian Gulf War Veterans Compensation Act of 1997 - Extends until ten years after the date on which a veteran last performed active military duty in the Persian Gulf War the time period in which a chronic disability resulting from an undiagnosed illness must become manifest and be therefore compensable through veterans' disability compensation. (Currently, the presumptive time period is to be determined by the Secretary of Veterans Affairs.)