This website has the advisories sent to the dealers, probably a good idea to keep tabs on it so we all know when this issue is resolved. The Advisory PDFs are down at the bottom.
https://mdsp.maryland.gov/Organizat...censingDivision/Firearms/FirearmsDealers.aspx
https://mdsp.maryland.gov/Organizat...censingDivision/Firearms/FirearmsDealers.aspx