I'm a Colorado resident. I put in for the draw and got my cow and buck tags. I'd like to get a doe tag too. I thought OTC and leftover were the same thing but OTC goes on sale on July 12th and leftover August 9th.

When should I be standing in line for my doe tag?

http://wildlife.state.co.us/hunting/biggame/
http://wildlife.state.co.us/Hunting/BigGame/Leftovers/