No, the 45th day is part of the formal reporting process.
Section D of EO13848 states:
1 (d) Nothing in this order shall prevent the head of any agency or any other appropriate official from tendering to the President, at any time through an appropriate channel, any analysis, information, assessment, or evaluation of foreign interference in a United States election.
Substantive reports can be submitted outside the scope of an election or the formal reporting process.
Thx