Section 25-1-28
Unlawful employment practices - Opposition to employer.
It is an unlawful employment practice for an employer, labor organization, employment agency, or joint labor-management committee to discriminate against an individual because that individual has opposed any practice which is an unlawful employment practice under this article, or because that individual has made a charge, testified, assisted, or participated in any manner in an investigation, proceeding, or hearing under this article.
(Acts 1997, No. 97-723, p. 1495, §9.)