Form M 100 has been adopted by the Colorado Department of Revenue as the standard municipal sales and use tax reporting form. This form will be reviewed annually, and any business or home rule city, town, or city and county which collects its own tax will have the opportunity to comment on the proposed revisions. In the event an immediate revision to the form is needed, such revision may be made at any time, and any business or home rule city, town or city and county which collects its own tax will have the opportunity to comment on the proposed revision.
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37 CR 18, September 25, 2014, effective 10/15/201438 CR 02, January 25, 2015, effective 2/14/201539 CR 10, May 25, 2016, effective 6/14/201640 CR 12, June 25, 2017, effective 7/15/201740 CR 23, December 10, 2017, effective 1/1/201841 CR 13, July 10, 2018, effective 7/30/201841 CR 14, July 25, 2018, effective 8/14/201842 CR 02, January 25, 2019, effective 12/18/2018, expires 4/17/2019.42 CR 02, January 25, 2019, effective 12/18/201842 CR 06, March 25, 2019, effective 4/14/201943 CR 04, February 25, 2020, effective 3/16/202043 CR 17, September 10, 2020, effective 9/30/202044 CR 01, January 10, 2021, effective 1/30/202144 CR 07, April 10, 2021, effective 4/30/202144 CR 08, April 25, 2021, effective 5/15/202145 CR 04, February 25, 2022, effective 3/17/202245 CR 23, December 10, 2022, effective 12/30/202246 CR 08, April 25, 2023, effective 5/15/2023