Original: You must specify when making your application, which activities you wish to hold at your premises and the hours and days they will take place.
Simplified: You must specify when making your application, which activities you wish to hold at your premises and the hours and days they will take place.
Simplified: You must specify when making your application, which activited you wish to hold at your house, and the times they will take place.
Simplified: you must specify when making your application, which activities you wish to hold at your location and the hours and days they will take place