1806 Md. Laws 44, An Act To Restrain The Evil Practices Arising From Negroes Keeping Dogs, And To Prohibit Them From Carrying Guns Or Offensive Weapons, ch. 81

...it shall not be lawful for any negro or mulatto within this state to keep any dog, bitch or gun , except he be a free negro or mulatto, and in that case he may be permitted to keep one dog, provided such free negro or mulatto shall obtain a license from a justice of the peace for that purpose, and that the said license shall be in force for one year, and no longer, and if any dog or bitch owned by any negro, not possessed of such license, shall be seen going at large, it shall be lawful for any person to kill the same, and in case of any suit instituted therefor, the person or persons killing the said dog or bitch may plead the general issue, and give this act in evidence. II. ...it shall not be lawful for any free negro or mulatto to go at large with any gun, or other offensive weapon; and in case any free negro or mulatto shall be seen going at large carrying a gun, or other offensive weapon, he shall be liable to be carried before any magistrate, in virtue of a warrant to be issued by any justice of the peace, directed to a constable of the county, and on conviction of having violated the provisions of this section of the act, such offender shall thereupon forfeit, to the use of the informant, such gun, or other offensive weapon, which shall thus have been found in his or her possession, and be subject to the payment of the costs which shall have accrued in such prosecution; provided, that nothing in this act shall extend to prevent any free negro or mulatto from carrying a gun, or other offensive weapon, who shall, at the time of his carrying the same, have a certificate from a justice of the peace, that he is an orderly and peacable person, which certificate shall be in force for one year from the date thereof and no longer.