This document is a buyer's guide for participating in auctions at Phillips in Paris, effective from April 12, 2026. It outlines essential information for prospective bidders, including the auction conditions of sale and authorship warranty. The guide emphasizes the importance of reviewing the auction catalogues, which provide details on the lots available, including ownership history and condition reports. It details the bidding process, including acceptable forms of identification for individuals and companies, and the requirement for bidders to represent that they are bidding on their own behalf. The guide also explains the calculation of the total purchase price, which includes the hammer price, buyer's premium, VAT, and any applicable artist's resale royalty. Additionally, it discusses the significance of pre-auction viewings and the potential need for condition reports, particularly for valuable items. Overall, the guide serves as a comprehensive resource for understanding the auction process at Phillips.