More than 8500 tickets have already been sold for Notts Outlaws' Friends Life t20 quarter-final against Somerset at Trent Bridge on Sunday (play starts 1.45pm).
Notts attracted 12,352 supporters to their home quarter-final in 2006, a club record that still stands.
Supporters have until 1pm on Saturday to secure discounted tickets for the fixture with Notts looking to secure their place at Finals Day at Edgbaston.
Tickets ordered before 4.30pm on Thursday will be delivered by first class post with all tickets ordered after that point made available from the ticket collection point on Bridgford Road.
All remaining tickets will be sold from the ticket sales points on Bridgford Road on Sunday.
Friends Life t20 quarter-final ticket information
Tickets are now on sale from our online ticket store, ticket hotline (0844 8118711) and the Trent Bridge ticket office.
In Advance (until 1pm on Saturday 6th August)
£15 Adults (£12 for Nottinghamshire members)
£8 Juniors & Senior Citizens (£7 for Nottinghamshire members)
£38 Family (2 adults + 2 juniors)
On the day
£20 Senior Citizens
£50 Family (2 adults + 2 juniors)