defines undue hardship 42 U.S.C. § 12111 42 USC §12111(5)(A) 42 USC 12111 reasonable accommodation 42 U.S.C. §12111(8) reasonable accommodation 42 U.S.C. § 12111 (8) 42 U.S.C. § 12111(9)(A) 42 U.S.C. § 12111(10)(a), 42 USC §12111(5)(A) Section 12111(9) of the Americans with Disabilities Act 42 U.S.C. § 12111(9) See 42 USC 12111(8). 42 U.S.C. §12111(8) 42 U.S.C. §12111(8) 42 U.S.C. § 12111(10(B)(iii) 42 USC §12111(5)(A) 42 U.S.C. § 12111(10)(b)(ii),(iii) 42 USC §12111(5)(A)