Suárez adopted a series of measured policies to add credibility to his project. He issued a partial political amnesty in July 1976, freeing 400 prisoners; he then extended this in March 1977, and finally granted a blanket amnesty in May of the same year. In December 1976, the (TOP), a sort of Francoist secret police, was dissolved. The right to strike was legalized in March 1977, with the right to unionize being granted the following month. Also in March, a new electoral law () introduced the necessary framework for Spain's electoral system to be brought into accord with those of other countries that were liberal parliamentary democracies.