BOCS Public Notice - Virginia Association of Counties (VACo) Board of Directors Spring Conference on 05/21 Members of the Prince William Board of County Supervisors may attend the Virginia Association of Counties (VACo) Board of Directors Spring Conference on Thursday, May 21, 2026. Below is the schedule of events: Time:             9:00 a.m. - VACo Board of Directors Meeting Location:       The Black Sheep, Mason Room, 9935 Discovery Blvd., Manassas, VA 20109 Time:            1:00 p.m. - VACo Innovation District Tour Location:     Tour buses board at Brentsville Hall, 9915 Discovery Blvd., Manassas, VA 20109                      Tour buses will depart between 1:25 p.m. and 1:30 p.m. Time:            2:00 p.m. - Program at American Type Culture Collection (ATCC) Location:     10801 University Blvd. Manassas, VA 20109 Time:            2:55 p.m. - 3:00 p.m. - Departure from ATCC Location:     10801 University Blvd. Manassas, VA 20109 Time:            3:25 p.m. - 3:35 - Tours Conclude and return to Brentsville Hall Location:     9915 Discovery Blvd., Manassas, VA 20109 Please note that no votes will be taken at the event and County business will not be transacted.