Noun
disaffiliation (countable and uncountable, plural disaffiliations)
The termination of an affiliation; the act of ceasing to be associated with something.
Laws were toned down or taken back (Mitigation Laws 1880-1883 and Peace Laws 1886/87), but the laws concerning education, civil registry of marriages and religious disaffiliation remained in place. Source: Internet
They also made it more difficult to introduce a disaffiliation resolution. Source: Internet