Dependant on the type of installation you are certifying, you can opt for the extended inspection schedule that BS7671 suggests for installations with distribution circuits and additional equipment. Only one schedule can be in use at any one time.
In certificate settings click on Extended Inspection Schedule options as shown in the image below:
To Change inspection schedule type click on EXTENDED and Update as shown in the image below:.
The Extended Inspection Schedule will be displayed as shown in the image below: