A custodian may deny inspection of any part of an interagency or intra–agency letter or memorandum that would not be available by law to a private party in litigation with the unit.
Md. Code Ann., Gen. Prov. § 4-344
Known as the Public Information Act
The act spans §§ 4–4 (88 sections).
Official source: Maryland General Assembly. Reproduced from public-domain Maryland statutes; confirm against the official source for the current text. Not legal advice.