On May 20, USCIS will begin premium processing for FY 2020 cap-subject H-1B petitioners requesting a change of status on their Form I-129, Petition for a Nonimmigrant Worker. Petitioners who do not file Form I-907, Request for Premium Processing Service, concurrently with an FY 2020 cap-subject H-1B petition requesting a change of status must wait until premium processing begins on May 20 to submit Form I-907.