In addition to gaining access to the ballot, you are required to file all appropriate financial reports relating to your campaign.
Colorado
Secretary of State Elections Center - Campaign Finance
Notice of Adoption of Rules Concerning Campaign and Political Finance, 8-2-2006
Denver
DRMC, Chapter 15, Article III, Campaign Finances
Campaign Finance Package - Forms (City Clerk)
Your Denver campaign finance reports become part of the public record and will be published by City Clerk:
City Clerk - Campaign Finance
Contact
For more information specifically regarding Denver campaign finance reporting, see:
City Clerk - Campaign Finance
City Clerk - Contact Us