3.6 Other operating expenses

in CHF thousand	Notes	2020	2019
Marketing and distribution expenses		11,246	10,662
Operating lease expenses	3.17	8,527	9,186
Repair and maintenance		4,699	6,096
Administration expenses		4,873	5,409
Losses on bad debts		88	245
Additions / reversal provisions PoC		–	–329
Losses from sales of fixed assets		8	67
Impairment of participations and loans		–	635
Share of loss applicable to equity method		499	–
Energy		1,864	2,043
IT		2,615	2,629
Other operating expenses		3,859	5,049
Total other operating expenses		38,278	41,692

In the 2019 financial year, the Industrial Systems Division reversed provisions in the amount of CHF 1,308,000 via other operating expenses.