C.R.S. § 22-60.5-305
22-60.5-305. Licensed principals - occasional teaching
22-60.5-305. Licensed principals - occasional teaching. Any principal who holds a valid initial or professional principal license pursuant to this part 3 and who, on occasion, functions as a teacher shall not be required to hold a valid initial or professional teacher license pursuant to part 2 of this article. The state board of education shall establish, by rule and regulation, what constitutes occasional teaching for purposes of this section.