Colorado has adopted temporary emergency regulations to provide guidance on 2018 legislation (TAXDAY, 2018/06/08, S.4). The legislation implemented revised corporate income tax apportionment methods, including market-based sourcing, beginning after 2018.
Permanent Rulemaking Proceedings
According to the department, permanent rulemaking proceedings are underway. A hearing on these regulations is tentatively scheduled for January 30, 2019.
Additional information, including the text of the emergency regulations, are available at https://www.sos.state.co.us/CCR/eDocketDetails.do?trackingNum=2018-00693.
Regulations 39-22-109; 39-22-303.6-1 through 39-22-303.6-18; 39-22-303.7-1 through 39-22-303.7-2; 39-22-303(11)(c); and 39-22-305, Colorado Department of Revenue, effective December 18, 2018, and applicable for 120 days, or until terminated or replaced by permanent rules