There is exactly one law (Public Law 93-148, originating in the 93rd Congress as H.J.Res. 542, and passed over Presidential veto on November 7, 1973) which has as its official title the “War Powers Resolution”. Since it’s passage, it is also frequently referred to by a less-official name as the “War Powers Act” to emphasize that it has completed the process to become an official Act of Congress. The reference, especially to the exact official name, is not at all ambiguous.
> Which one?
There is exactly one law (Public Law 93-148, originating in the 93rd Congress as H.J.Res. 542, and passed over Presidential veto on November 7, 1973) which has as its official title the “War Powers Resolution”. Since it’s passage, it is also frequently referred to by a less-official name as the “War Powers Act” to emphasize that it has completed the process to become an official Act of Congress. The reference, especially to the exact official name, is not at all ambiguous.