I don't know the law by name, but the info at Hopkins referred to two phone numbers you can call for help.

The Md Health Advisory Unit  877-261-8807

or

The Md Insurance Administration 800-492-6116

Hope this helps.  This week I just spent an HOUR with the pharmacy trying to explain, and explain (before I knew about the law).  Then they filled Kyle's rx w/ a 30 day supply, and Erin's with a 10 day supply!   I'm headed down there Monday (I would do it today but I know it'll take forever and I'd rather use work time than personal time for that headache).  I wish I had convenient pharmacy options.  I'd switch in a minute.