The new four-tier system for determining eligibility for services would set criteria based on a person's functional health status.

The Czech Republic has a four-tier system of courts and two-instance proceedings.

The army has a four-tier system; the air force and navy, three-tier systems.

The American military has a four-tier system for rating the Iraqi military.

Individual station funding is allocated on a four-tier system based on audience reach, with each station receiving between $110,000 and $220,000.

The parade uses a four-tier system to determine which balloons can be operated safely and where.

A four-tier system of Advanced Diplomas, Diplomas, Advanced Certificates, and Certificates is now in place.

The Tour created a four-tier system of awarding points.

The Star Wars franchise takes a unique view regarding the canon properties of its expanded universe, introducing a four-tier system based on compatibility with the six films.

Under the four-tier system, the big rigs can leave the national network of interstate highways to make pickups and deliveries via these lower-tier roads.