In 1969, he drew up the report proposing the expulsion from the party of the Manifesto group. In 1984, after Berlinguer's death, Natta was elected as party secretary.
The group has measures in place to hold members accountable
( z1 measure :ARG0 ( z2 group ) :ARG1 ( z3 hold :ARG0 z2 :ARG1 ( z4 accountable :ARG0 ( z5 member ) ) ) :mod ( z6 in-place ) )