DATA 's successor , the Technical , Administrative and Supervisory Section ( TASS ) , became part of the Amalgamated Union of Engineering Workers ( AUEW ) in 1971 .
TASS remained quasi-autonomous .
DATA 's successor , the Technical , Administrative and Supervisory Section ( TASS ) , became part of the Amalgamated Union of Engineering Workers ( AUEW ) in 1971 , although it remained quasi-autonomous .