Trump also claimed he wants to ban all voting by mail except for those who are very ill or in military service.
The US constitution grants primary authority to regulate elections to the US states, while empowering Congress to enact election laws or regulations. It gives no explicit authority to the president to regulate voting.
www.theguardian.com
The US constitution grants primary authority to regulate elections to the US states, while empowering Congress to enact election laws or regulations. It gives no explicit authority to the president to regulate voting.

Trump says he plans unconstitutional executive order to mandate ID for voters
President also wants to ban most voting by mail in push stemming from baseless claims related to 2020 election loss