(a) After the filing of the answer or other responsive pleading by the respondent, the court, on its own motion or upon motion of either of the parties, may require both parties to the action to seek marriage counseling if marriage counseling services are available within the judicial district of venue of the action. Neither party shall be required to submit to marriage counseling provided by any religious organization of any particular denomination.

(b) The cost of any counseling authorized by this section may be assessed as costs in the case.