Maryland Code, State Personnel and Pensions § 3-502

(1) wages, hours, and other terms and conditions of employment; and

(2) the time and manner of access to a new employee program in accordance with § 22-207 of the State Government Article.

(1) may not be required to negotiate over any matter that is inconsistent with applicable law; and

(2) may negotiate and reach agreement with regard to any such matter only if it is understood that the agreement with respect to such matter cannot become effective unless the applicable law is amended by the General Assembly.