Colorado Sales Tax Returns: Avoid Common Errors

The Colorado Department of Revenue would like to help taxpayers avoid common errors on sales tax returns (DR 0100).

Common sales tax filing errors include:

• Incorrect filing dates: be sure to use the correct form for dates on all forms;
• File on time: all forms must be mailed/postmarked by the 20^th of the month;
• Remember special district taxes: use the Special District Column;
• Include valid Federal Employer Identification Numbers (FEIN) and Social Security Numbers (SSN);
• Use the proper county and city jurisdiction codes for each location;
• Use the correct rates;
• Put all numbers in the correct columns: for example, “’Net Sales’ has different amounts for city, county, special districts and state;”
• Don’t leave columns or lines blank;
• Use the proper form: don’t change forms received by mail or create new forms; and
• Correctly report local taxes: “multiple jurisdictional filers cannot combine the county tax collected for all locations on one form.”

Filing through Revenue Online should reduce errors. Taxpayers reliant on sales tax coupon books should note that the format has changed and the old coupon books have been discontinued.

Another good way to avoid sales tax filing errors is to switch to an automated sales tax solution.

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