§ 22–3020. Aggravating circumstances.
(a) Any person who is found guilty of an offense under this subchapter may receive a penalty up to 1 1/2 times the maximum penalty prescribed for the particular offense, and may receive a sentence of more than 30 years up to, and including life imprisonment without possibility of release for first degree sexual abuse or first degree child sexual abuse, if any of the following aggravating circumstances exists:
(1) The victim was under the age of 12 years at the time of the offense;
(2) The victim was under the age of 18 years at the time of the offense and the actor had a significant relationship to the victim;
(3) The victim sustained serious bodily injury as a result of the offense;
(4) The defendant was aided or abetted by 1 or more accomplices;
(5) The defendant is or has been found guilty of committing sex offenses against 2 or more victims, whether in the same or other proceedings by a court of the District of Columbia, any state, or the United States or its territories; or
(6) The defendant was armed with, or had readily available, a pistol or other firearm (or imitation thereof) or other dangerous or deadly weapon.
(b) It is not necessary that the accomplices have been convicted for an increased punishment (or enhanced penalty) to apply under subsection (a)(4) of this section.
(c) No person who stands convicted of an offense under this subchapter shall be sentenced to increased punishment (or enhanced penalty) by reason of the aggravating factors set forth in subsection (a) of this section, unless prior to trial or before entry of a plea of guilty, the United States Attorney or the Corporation Counsel, as the case may be, files an information with the clerk of the court, and serves a copy of such information on the person or counsel for the person, stating in writing the aggravating factors to be relied upon.