Price list of Registers Iceland from the website of the Icelandic Legal Gazette (in Icelandic) 

Price list for fire insurance appraisal, Regulation No. 446/2001 (in Icelandic) (pdf)

Registers Iceland no longer sends out invoices and payment slips on paper, in accordance with the government’s policy of paper-free transactions. Claims are published in customers’ online banking. Those who can receive electronic invoices via a message server for xml invoices are to contact Registers Iceland’s financial team, Registers Iceland works in collaboration with Advania, InExchange and Sendill’s message server.