Miss. Code Ann. § 71-7-5: Miss. Code Ann. § 71-7-5

(1) Except as otherwise provided in Section 71-7-27 , all drug and alcohol testing conducted by employers shall be in conformity with the standards established in this section, other applicable provisions of this chapter, and all applicable regulations promulgated pursuant to this chapter.

(2) An employer is authorized to conduct the following types of drug and alcohol tests:

(a) Employers may require job applicants to submit to a drug and alcohol test as a condition of the employment application and may use a refusal to submit to a test or positive confirmed test result as a basis for refusal to hire.

(b) An employer may require all employees to submit to reasonable suspicion drug and alcohol testing. There is created a rebuttable presumption that the employer had reasonable suspicion to test for drugs if the specimen provided by the employee tested positive for drugs in a confirmatory drug test.

(c) An employer may require all employees to submit to neutral selection drug and alcohol testing pursuant to Section 71-7-9 .

(d) An employer may administer drug and alcohol testing or require that the employee submit himself to drug and alcohol testing as provided under Section 71-3-121 in the event that the employee sustains an injury at work or asserts a work-related injury.