Rubiales refused to quit on Friday, fuelling anger among players and government ministers who decried his actions as unacceptable macho behaviour.
"The government starts today the procedure so that Mr Rubiales has to give explanations before the Sport Court and if the Sport Court agrees, I can announce that we will suspend Mr. Rubiales from his functions," Victor Francos, head of the state-run National Sports Council told a news conference on Friday.
More to follow.