Caas n. sing. & pl. : Case.

Example:
Does anyone really own an ALLERCA cat or is this company just a scam?

Taxonomy
CAAS, Commission on Accreditation of Ambulance Services, Accreditation, medical transportation, standards, quality patient care, America's medical, transportation system, accredited agency, American Ambulance Association, ambulance service, North America, accredited, service industry, Document Actions, 11-19, the American, independent Commission.

Defination from the web:
CAAS) was established to encourage and promote quality patient care in America's medical transportation system. ... If you need to ask a question, then use: Ask CAAS (online support system) ...