The bill will become law 90 days after he signs the document. Some exceptions will be allowed until January 2028. If there are no other sources of supply, the U.S. Department of Energy will be allowed to issue permits to import enriched uranium from Russia. Read also: U.S. Senate passes $60 billion aid bill for UA, Biden to sign bill ‘immediately’ The law is set to expire at the end of 2040. Russia supplied nearly a quarter of the enriched uranium used as fuel for the U.S. fleet of more than 90 commercial reactors, making it the top foreign supplier. Those sales bring Russia about $1 billion a…