 After Suchinda's resignation under public pressure in the course of the events of Black May on 24 May 1992, Meechai acted as caretaker prime minister until a new head of government (Anand Panyarachun for a second term) was appointed on 10 June.Afterwards Meechai served as Senator again and was the Speaker of the Senate from 1992 to 2000.In this position he presided over a constitutional tribunal which ruled as legal an executive decree of the Suchinda administration (reportedly drafted by Meechai himself) that amnestied those responsible for the shooting of protesters.