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

(2) Preemployment

(A) Prohibited examination or inquiry

Except as provided in paragraph (3), a covered entity shall not conduct a medical examination or make inquiries of a job applicant as to whether such applicant is an individual with a disability or as to the nature or severity of such disability.

(B) Acceptable inquiry

A covered entity may make preemployment inquiries into the ability of an applicant to perform job-related functions.