Your employer or potential employer can test an employee on English proficiency (ability to speak or write in English), as long as the the employer tests all applicants. However, if the employer or potential employer denies someone an employment opportunity because of English proficiency, the employer must show a legitimate, nondiscriminatory reason. Whether or not it is illegal to use the English test will depend on the qualifications of the employee, the nature of the position, and whether the employee's level of English proficiency would have a negative effect on job performance. Requiring employees or applicants to be fluent in English may violate the law if the rule is not related to the requirements of the position or job performance, and it appears that the rule was adopted to exclude individuals of a particular national origin. For more information about language discrimination, please see our language discrimination page.