49 CFR Parts 37 & 38 - Department of Transportation (DOT) ADA Regulations

(1) One other individual accompanying the ADA paratransit eligible individual shall be provided service—

(i) If the ADA paratransit eligible individual is traveling with a personal care attendant, the entity shall provide service to one other individual in addition to the attendant who is accompanying the eligible individual;

(ii) A family member or friend is regarded as a person accompanying the eligible individual, and not as a personal care attendant, unless the family member or friend registered is acting in the capacity of a personal care attendant;