The Bulls are due to face the Silkmen at home on Saturday, October 11. However, the match falls on the same day as the fourth qualifying round of the FA Cup.
Macclesfield have reached that stage after beating Nantwich 2-0 this afternoon.
Hereford will also be in the hat for the fourth qualifying round after they drew 2-2 at Hemel Hempstead.
The replay will be at Edgar Street this Tuesday.