Md. Code, Election Law § 3–205

A voter registration volunteer or any individual assisting another individual to register to vote may not:

(1) copy or collect the following information contained on a voter registration application:

(i) Maryland driver’s license number;

(ii) Maryland identification number;

(iii) Social Security number; or

(iv) other information from a voter registration application that is protected from public disclosure;

(2) use any voter registration information for a purpose inconsistent with § 3–506 of this title; and

(3) receive any form of compensation, including bonuses, that is based on the number of voter registration applications collected.