in PLN thousand	As at 31 December 2017	As at 31 December 2016 (transformed data)
Trade payables due to subsidiaries and other related entities	34 670	24 901
Trade payables due to other entities	13 202	16 357
Tax, custom duties and social security payables	20 610	17 962
Payables due to tangible assets' acquisition	27 960	39 271
Grants	3 214	3 400
Environmental fees	1 193	2 812
Liabilities from property insurances	2 530	-
Other payables and accruals	503	497
	103 882	105 200