23 Contract liabilities

	31.12.2020		31.12.2021
	Current	Non-current	Current	Non-current
CHF 1,000
Timing of revenue recognition: point in time
Advances for products	41,263	19,898	50,680	11,931

Timing of revenue recognition: over time
Advances for products	1,069	-	9,675	-
Service contracts, including service-type warranties	20,027	3,117	24,663	4,254

Total contract liabilities	62,359	23,015	85,018	16,185

Acquisition through business combination		-		15,314
Net increase		24,874		608
Translation differences		(1,669)		(93)
Total change (current and non-current) compared with previous year		23,205		15,829