; or (B) would fundamentally alter the nature of the employment provided by the entity. (2) Public entities With respect to a claim that a public entity violated this section, the entity shall not be considered to have violated this section if compliance with this section— (A) would impose an undue burden on the entity; or (B) would fundamentally alter the nature of the services, programs, activities, or information provided by the entity. (3) Public accommodations or testing entities With respect to a claim that a public accommodation or testing entity violated this section, the accommodation or entity shall not be considered to have violated this section if compliance with this section— (A) would impose an undue burden on the accommodation or entity; or (B) would fundamentally alter the nature of the goods, services, facilities, privileges, advantages, accommodations, or information provided by the accommodation or entity. (4) Commercial providers With respect to a claim that a commercial provider violated this section, the commercial provider shall not be considered to have violated this section if compliance with this section— (A) would impose an undue burden on the commercial provider