Division One
Round one: Mon 30 Aug - Thu 2 Sept (11am start)
Hampshire v Yorkshire (Ageas Bowl)
Lancashire v Warwickshire (Emirates Old Trafford)
Somerset v Nottinghamshire (The Cooper Associates County Ground)
Round two: Sun 5 - Wed 8 Sept (10.30am start)
Nottinghamshire v Lancashire (Trent Bridge)
Warwickshire v Hampshire (Edgbaston)
Yorkshire v Somerset (Scarborough CC)
Round three: Sun 12 - Wed 15 Sept (10.30am start)
Hampshire v Nottinghamshire (Ageas Bowl)
Somerset v Lancashire (The Cooper Associates County Ground)
Yorkshire v Warwickshire (Emerald Headingley)
Round four: Tue 21 - Fri 24 Sept (10.30am start)
Lancashire v Hampshire (Liverpool CC)
Nottinghamshire v Yorkshire (Trent Bridge)
Warwickshire v Somerset (Edgbaston)
Division Two
Round one: Mon 30 Aug - Thu 2 Sept (11am start)
Durham v Surrey (Emirates Riverside)
Glamorgan v Essex (Sophia Gardens)
Gloucestershire v Northamptonshire (Bristol County Ground)
Round two: Sun 5 - Wed 8 Sept (10.30am start)
Durham v Glamorgan (Emirates Riverside)
Essex v Gloucestershire (Cloudfm County Ground)
Northamptonshire v Surrey (The County Ground Northampton)
Round three: Sun 12 - Wed 15 Sept (10.30am start)
Glamorgan v Gloucestershire (Sophia Gardens)
Northamptonshire v Durham (The County Ground Northampton)
Surrey v Essex (Kia Oval)
Round four: Tue 21 - Fri 24 Sept (10.30am start)
Essex v Northamptonshire (Cloudfm County Ground)
Gloucestershire v Durham (Bristol County Ground)
Surrey v Glamorgan (Kia Oval)
Division Three
Round one: Mon 30 Aug - Thu 2 Sept (11am start)
Leicestershire v Kent (Uptonsteel County Ground)
Middlesex v Derbyshire (Lord's)
Worcestershire v Sussex (New Road)
Round two: Sun 5 - Wed 8 Sept (10.30am start)
Derbyshire v Leicestershire (Incora County Ground)
Kent v Worcestershire (Canterbury)
Sussex v Middlesex (1st Central County Ground) - note, this match runs Monday to Thursday
Round three: Sun 12 - Wed 15 Sept (10.30am start)
Derbyshire v Kent (Incora County Ground)
Leicestershire v Sussex (Uptonsteel County Ground)
Middlesex v Worcestershire (Lord's)
Round four: Tue 21 - Fri 24 Sept (10.30am start)
Kent v Middlesex (Canterbury)
Sussex v Derbyshire (1st Central County Ground)
Worcestershire v Leicestershire (New Road)