23. Cash flow hedging reserve

Cash flow hedging reserve comprises changes in the valuation of foreign-currency denominated bank borrowings used as hedging instruments designated to hedge cash flows, less the effect of income tax. 

Changes in the fair value of derivative financial instruments designated to hedge cash flows, to the extent representing an effective hedge are charged to the cash flow hedging reserve, while the ineffective portion is charged to finance income or costs in the reporting period.

PLN '000 Note  Year ended
Dec 31 2015
 Year ended
Dec 31 2014
At beginning of period   (412,535) 61,019
Valuation of cash flow hedging instruments 31.3  (355,973) (584,653)
- effective portion   (356,477) (584,731)
- ineffective portion (1)   504 78
Income tax on valuation of cash flow hedging instruments 10.1 67,620 111,099
At end of period   (700,888) (412,535)

(1) The ineffective portion, charged to finance costs.

The Notes to the consolidated financial statements are an integral part of the statements.
(This is a translation of a document originally issued in Polish)