Each sex offender shall--
A sex offender who enters the District of Columbia from another jurisdiction to live, work, or attend school shall notify the Agency within 3 days of entering the District. Any other sex offender shall notify the Agency within 3 days of being released from incarceration or confinement or sentenced to probation. A sex offender who did not provide the notice described in this subsection because his or her entry into the District of Columbia, release from incarceration or confinement, or sentencing to probation occurred before the Act or these rules went into effect shall not be subject to any penalty or sanction for failing to provide the notice, but such a sex offender remains subject to subsection 406.1 and to all other provisions of these rules and the Act.
D.C. Mun. Regs. tit. 6, r. 6-A406