A retailer crossing $100,000 in the current year must obtain a sales tax licence and begin collecting by the first day of the first month beginning at least 90 days after its Colorado sales for the year exceed $100,000. Missing that deadline does not avoid liability: the retailer owes the tax on later sales into Colorado regardless.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.