VITA Useful Links

(At least for the Fort Collins, Colorado "Volunteer Income Tax Assistance" region.)

Under the SilGro home page for Alan Silverstein and Cathie Grow
Last update: April 2, 2018 (OBSOLETE FOR TY2020, here to update) -- Email me at


Quick Reference (while completing a tax return)

Colorado tax returns:

You might already have on paper:

Updates and Client Support

Training and Certification

Brief Reminders

Lessons Learned While Preparing Tax Returns -- my own list of reminders

Short list for start of new season:

Colorado Oil/Gas Royalty Severance Tax Forms:

DR 0021 Colorado Severance Tax Return -- due April 15th for calendar year taxpayers.
DR 0021D Colorado Oil & Gas & Severance Tax Schedule -- must be attached to DR 0021.
DR 0021W Form the taxpayer receives from the company reporting royalties and taxes withheld. Available by March 1 -- must attach to DR 0021.
DR 0021X Amended Colorado Oil & Gas severance tax return.
DR 0021PD Detail Information For Producers. To be filled out by a producer only.
DR 0021S 6 month extension. Extension to file, not to pay. If there will be no balance due, don't file for an extension.