exclusive requirement

This has once been a common practice, but it is no longer used as an exclusive requirement.

At Columbia the Asian humanities course, though available for years, is not an exclusive requirement.

Dual nationality was considered a problem that caused conflict between states and sometimes imposed mutually exclusive requirements on affected people, such as simultaneously serving in two countries' military forces.

The method developed by Bartini has received the name " And - And " from the principle of the connection of mutually exclusive requirements, or "Both that..., And another "...

For to pass through its portals into this supremely illegal haven, where hundreds of smokers chat at cafe tables and bars as they serenely fire up pipes and joints in the pungent haze, there is one exclusive requirement.

In September 2005, Clinton initially accepted but later rejected honorary membership into Alpha Kappa Alpha due to its exclusive requirements which would prevent her from accepting honorary membership in other National Pan-Hellenic Council organizations.

However, Clinton and Obama would later decline initiation into the organization due to the sorority's exclusive requirement preventing acceptance into other NPHC organizations, and both desired their membership in Alpha Kappa Alpha to be "non exclusive."