For the sole purpose of verifying the identity of the visa holders , the authenticity , temporal and territorial validity and status of the visa or whether the conditions for entry to the territory of the Member States in accordance with Article 6 of Regulation ( EU ) 2016/399 are fulfilled , or both , the competent authorities for carrying out checks at borders at which the EES is operated shall have access to the VIS to search using the following data : ( a ) surname ( family name ) , first name or names ( given names )