Maryland Code, Criminal Law § 2-504

(2)(i) A person who violates this section, having previously been convicted under this section, § 2-209, § 2-210, § 2-503, § 2-505, § 2-506, or § 3-211 of this article, or § 21-902 of the Transportation Article, is guilty of a felony and on conviction is subject to imprisonment not exceeding 5 years or a fine not exceeding $10,000 or both.

(ii) For the purposes of application of subsequent offender penalties under subparagraph (i) of this paragraph, a conviction for a crime committed in another state or federal jurisdiction that, if committed in this State would constitute a violation of this section, § 2-209, § 2-210, § 2-503, § 2-505, § 2-506, or § 3-211 of this article, or § 21-902 of the Transportation Article, shall be considered a violation of this section.