WYIFS is the State of Wyoming's Internet Tax Filing System.  Both Sales/Use and Mineral Taxpayers may be eligible to file electronically.  If you are already a WYIFS Registered User Click Here to go to the WYIFS Login page... 

Note: If you get a "about:blank" page when clicking the above link, you may need to disable the pop-up blocker in your browser or change a setting to accept pop-ups from https://wyifs.state.wy.us to access WYIFS. Alternatively, if you hold down the "shift" key on your keyboard while clicking the above link, you may be able to temporarily disable the pop-up blocker for that one mouse click.