Refer to local regulations: Trial Measures for the Administration of Pre-tax Deduction Certificates of Enterprise Income Tax of Nantong Local Taxation Bureau.
Article 7 Where a taxpayer cannot obtain an invoice for the commission, technical service fees and other expenses paid to overseas individuals, it shall provide a legal contract, a bank payment certificate and relevant certificates issued by overseas units or individuals.
Article 8 If the tax authorities are in doubt about the relevant tickets or vouchers obtained abroad during the tax inspection, they may ask them to provide confirmation certificates from overseas notary agencies or certified public accountants, which can only be used as pre-tax deduction vouchers after being examined and approved by the tax authorities.