Andhra Pradesh Public Service Commission (APPSC) was formed when the state of Andhra Pradesh formed on 1 November 1956, based on the regulations of Madras Public Service Commission.

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Public Service Commission Regulations
THE A.P. PUBLIC SERVICE COMMISSION REGULATIONS
(G.O.Ms.No. 489, G.A.D., Dt,23-4-1963)
Order :
In exercise of the powers conferred by the Ar
ticle 318 and the proviso to clause
(3) of Article 320 of the Constitution of India and
in suppression of the Regulations
and Orders specified in the table below, the Govern
or of Andhra Pradesh hereby
makes the following Regulations:
TABLE
Madras Public Service Commission Regulations, 1950,
published with
notification of the composite Madras Government in
the Public (Services)
Department No. 36, dated the 26-12-1950 at pages 40
3-407 of the fort St.
George Gazette, dated the 13th March, 1951 as subse
quently amended.

Andhra Pradesh Public Service Commission Regulations