Providing that a grantee that obtains title to a condominium unit or to a lot in a homeowners association in a foreclosure sale is jointly and severally liable with the unit owner or the lot owner for up to 6 months of assessments under a lien imposed for assessments due; authorizing the governing body of a homeowners association to impose a lien under the Maryland Contract Lien Act to enforce the payment of assessments and charges due; etc.