The Civil Rights Act of 1964 provides employees with protection against discrimination based on a wide variety of factors, including national origin, sex, religion, race, and color. The Age Discrimination Act of 1967 applies age to the protected class. The Equal Pay Act of 1963 forbids sex-based compensation discrimination. The Rehabilitation Act of 1973 makes it illegal to discriminate on the grounds of disability in terms of employment decisions. The Civil Rights Act of 1991 adds more protection and power to the federal government to enforce some of these laws.