To every rule, there is an exception. To the rule that no conviction may be sealed, the exception is criminal conviction records for some offenses involving controlled substances. Pursuant to C.R.S. 24-72-308.5, as of July 1, 2008, a person may petition the court to seal the conviction records for drug offenses at the petty, misdemeanor, or class 5 or 6 felony level. There are, as you might expect, several conditions to be met:
1) The petition has to be filed no sooner than ten years after the final disposition or end of probation, whichever is later; and
2) The petitioner cannot have been charged or convicted for any criminal offense in the intervening ten years; and
3) For convictions entered before July 1, 2008, the district attorney must consent to the sealing of the records.
There are also limitations concerning the types of drug offenses that are subject to sealing. A conviction for a class 5 or 6 felony for the sale, manufacturing, or dispensing of a controlled substance (or conspiracy, attempt, or possession with intent to do any of the above) cannot be sealed. What does that leave at the felony level? Pretty much, it leaves simple possession or attempted possession.