On 16 June 2015, China's State Administration of Taxation issued Announcement No. 45 (2015), which contains new reporting rules for cost sharing agreements (CSA). Under the new rules, Chinese enterprises that have entered into a CSA with a related party must submit a copy of the CSA to the competent tax authority with 30 days of signing of the agreement and include in the related-party transaction form with the annual tax return. However, a review of the CSA by the tax authorities is no longe…