Sussex will compete alongside Hampshire, Kent and Surrey in Group 6 of the Women’s County T20 next summer.
The tournament will take place over four weekends in April and May with venues to be confirmed.
Coach Alexia Walker’s team will begin their campaign on Monday 18th April with two matches away matches against Surrey.
The following Sunday (24th April) they will host Hampshire for two fixtures, before finishing the group stage with two home matches against Kent on Monday 2nd May.
The competition finishes on Sunday 8th May with Hampshire hosting a finals day consisting of two semi-finals, the first between the first- and fourth-placed teams from the group and the second between the second- and third-placed finishers. The winners of those two matches will then compete in the final.