- No. 99-01 (Request From Director of the Lttery Division, Dept. of Revenue — Interpretation of Section 33-60104(1)(C), C.R.S. (1998) — Preceding Calendar year)
- No. 99-02 (GOCO Choosing Specific Investments on Behalf of GOCO Trust Fund & Directing Treasurer Whether Authority to Choose Belongs to Treasurer)
- No. 99-03 (Colorado Constitution Issues Relating to HB99-1325)
- No. 99-04 (Colorado Air Quality Control Commission)
- No. 99-05 (Modifications of AGO No. 98-2)
- No. 99-06 (Withdrawal of AGO No. 99-2)
- No. 99-07 (Colorado Sheriff’s Authority to Act in the Event of Computer Failures Relating to Y2K)
- No. 99-08 (Local Term Limits Referenda)