28 CFR Part 36 Nondiscrimination on the Basis of Disability by Public Accommodations and in Commercial Facilities NPRM (2008 Title III NPRM)

(8) Fees or surcharges.  A public accommodation shall not ask or require an individual with a disability to post a deposit, pay a fee or surcharge, or comply with other requirements not generally applicable to other patrons as a condition of permitting a service animal to accompany its handler in a place of public accommodation, even if people accompanied by pets are required to do so.  If a public accommodation normally charges its clients or customers for damage that they cause, a customer with a disability may be charged for damage caused by his or her service animal.

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