Makes unlawful employment practice for employer to refuse to employ, discharge or otherwise penalize individual because individual is registered identification cardholder.

Makes unlawful employment practice for employer to refuse to employ, discharge or otherwise penalize individual because individual is registered identification cardholder. Makes unlawful employment practice for employer to discriminate against employee with respect to compensating employee or with respect to terms, conditions or privileges of employment because employee is registry identification cardholder. Specifies that exception allowing employer to take action based on illegal drug use to provisions of law that protect employees who are disabled from discriminatory action by employer does not apply to use of marijuana items by registry identification cardholder. Takes effect on 91st day following adjournment sine die.