The report by the semi-official ISNA news agency said 173 out of 215 lawmakers at the session voted for the bill on Tuesday.
The bill also demanded the Iranian government take unspecified action against other governments that formally back the US designation. Saudi Arabia, Bahrain and Israel have all supported the Trump administration’s designation.
Washington’s designation of the IRGC — the first-ever for an entire division of another government — adds another layer of sanctions to the powerful paramilitary force and makes it a crime under US jurisdiction to provide it with material support.
Also Monday, the US offered $10 million rewards for information on the finances of the Iran-backed terrorist group Hezbollah.