The protection provided against a violation of § 1-502 of this subtitle shall only apply if: 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; 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 Before reporting to the board: 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 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.