The Security Council of the RSFSR was legally set up by Congress of People's Deputies of Russia    in April 1991 along with the post of the President of the RSFSR (the RSFSR at that time operated as one of the constituent republics of the USSR).
The establishment of the Security Council of the RSFSR in April 1991 by the Congress of People's Deputies of Russia and the creation of the position of President for the RSFSR, which at that time was one of the constituent republics within the USSR, were both part of a larger process.