Continuation of medical coverage for divorced spouses

Here is my question:

We concluded a divorce hearing on July 6, 2012 in which client received an absolute divorce, rehabilitative alimony, child support and the court also ordered that  the husband continue to provide medical insurance for Client and Child through his employer provided group insurance plan.

On Friday, August 1, 2012 , my client found out from Husband's employer, a large hospital, that the Husband allowed his insurance to lapse as of June 30, 2012, just before our divorce hearing.  Husband, who is pro se, denies this and claims he he renewed  the insurance.  No notice was given to my client of the lapse.

To be brief, the employer reinstated the Child on the insurance policy, but refused to reinstate Client. The employer is claiming that she is no longer a beneficiary.  I know that under MD Code Insurance § 15-408, allows for a divorced spouse to continue to be covered on the other party's health insurance. 

What is there any way to compel the insurance company to reinstate her?