This year “the [Pennsylvania] Game Commission will begin selling licenses [on] June 15.” After which one month later county treasurers will begin accepting antlerless deer applications on July 13. So, make sure you remember to buy your hunting license early this year otherwise you may miss out on your antlerless deer tag if your WMU sells out fast.
Below is the “2009 Antlerless Deer License Application Schedule” from the PGC’s site
Monday, July 13: First day resident antlerless deer license applications accepted by County Treasurers (Mail Only)
Monday, July 27: First day nonresident antlerless deer license applications accepted by County Treasurers (Mail Only)
Monday, August 3: If antlerless deer licenses are still available, County Treasurers accept antlerless deer license applications from residents and nonresidents for unsold tags (Mail Only – first round, one unsold tag per applicant)
For WMUs 2B, 5C and 5D only, applicants may apply for an unlimited number of unsold tags, by mail only, limit of three applications per envelope.
Monday, August 17: If antlerless deer licenses are still available, County Treasurers accept antlerless deer license applications from residents and nonresidents for a second unsold tag (Mail Only)
Monday, August 24: Over-the-counter sales begin for applicants who desire antlerless deer licenses (unlimited) in WMUs 2B, 5C and 5D
Monday, Sept. 14: Regular and first round unsold licenses are scheduled to be mailed
to successful applicants
Monday, Sept. 28: Second round unsold licenses are scheduled to be mailed to successful applicants
Monday, Nov. 2: If antlerless deer licenses are still available and the applicant has not exceeded his/her license limit, County Treasurers accept antlerless deer license applications over-the-counter
Antlerless deer licenses are issued without restrictions or regard to the Commonwealth applicant’s county of residence.
http://www.pgc.state.pa.us/pgc/cwp/view.asp?a=511&q=176494#antlerless