Americans with Disabilities Act (ADA) of 1990 (with amendments issued through 2008)

(B) Factors to be considered

In determining whether an accommodation would impose an undue hardship on a covered entity, factors to be considered include

(i) the nature and cost of the accommodation needed under this chapter;

(ii) the overall financial resources of the facility or facilities involved in the provision of the reasonable accommodation; the number of persons employed at such facility; the effect on expenses and resources, or the impact otherwise of such accommodation upon the operation of the facility;

(iii) the overall financial resources of the covered entity; the overall size of the business of a covered entity with respect to the number of its employees; the number, type, and location of its facilities; and

(iv) the type of operation or operations of the covered entity, including the composition, structure, and functions of the workforce of such entity; the geographic separateness, administrative, or fiscal relationship of the facility or facilities in question to the covered entity.