The tax administration of Czech Republic has initiated a new attachment that will be needed for reporting certain related-party transactions such as the residence of the related parties, the transaction volume, and an overview of the transaction and filed with the taxpayer’s tax return. The completion of the attachment will be compulsory for companies that meet a specific requirement such as having assets in excess of CZK 40 million, net turnover of CZK 80 million, or an average number of 50 employees.