It is a general amalgamated union, and thus does not restrict membership by industry.
One of the most effective was restricting membership to African Americans.
In 2006, the society was still restricting membership to local residents.
Variations on the case could include clubs that restrict membership or attendance, not just officers.
In fact, Score has had to restrict membership, allowing new students to join only when current students resign.
We do not restrict membership to other communities.
The controversial policies which restrict membership apply only to the Scouting programs.
These must have a defined purpose and restrict membership to the group, which serves as the base of trust to carry out the desired work.
Indirectly, country clubs restrict membership to social elites by increasing the cost of entrance and annual fees.
They also objected to restricting membership to people with backgrounds in the government agencies under scrutiny.