Sentence:  Enterprise shares are sold at voucher auctions in exchange for either immaterial privatization <WSD>leks</WSD> (through a bank transfer from the bidder's privatization <WSD>lek</WSD> account) or through privatization vouchers, which are submitted at the time of bidding. 
Meaning of the word marked with <WSD> tags:  (currency unit)the currency unit of Albania, divided into 100 qindarka