Maryland Health Occupations Section 1-503
§ 1-503.
  The protection provided against a violation of § 1-502 of this subtitle shall only apply if:
    (1)   The employee has a reasonable, good faith belief that the employer has, or still is, engaged in an activity, policy, or practice that is in violation of a law, rule, or regulation;
    (2)   The employer's activity, policy, or practice that is the subject of the employee's disclosure poses a substantial and specific danger to the public health or safety; and
    (3)   Before reporting to the board:
      (i)   The employee has reported the activity, policy, or practice to a supervisor or administrator of the employer in writing and afforded the employer a reasonable opportunity to correct the activity, policy, or practice; or
      (ii)   If the employer has a corporate compliance plan specifying who to notify of an alleged violation of a rule, law, or regulation, the employee has followed the plan.