(a) This section does not apply to a covered employee of a municipal corporation or a county who is subject to § 9-503 of this title and the dependents of those covered employees, unless the municipal corporation or county has made an election under § 9-683.6 of this subtitle.

(b) The surviving spouse of a deceased covered employee whose death was caused by an accidental personal injury or an occupational disease is not entitled to death benefits under this title if the surviving spouse and the covered employee were married after the time of the occurrence of the accidental personal injury or the date of disablement from the occupational disease.