广告费和业务宣传费支出如何税前扣除？

Group 1 - The article discusses the regulations regarding the deduction of advertising and business promotion expenses for enterprises, including specific provisions for related enterprises and the treatment of expenses incurred during the establishment period [2]. - It outlines the reporting requirements for these deductions, specifying the forms that need to be filled out, such as the "Detailed Statement of Period Expenses" and the "Detailed Statement of Tax Adjustment Items" [2]. - The article references several policy documents that serve as the legal basis for these deductions, including the Corporate Income Tax Law and various announcements from the State Administration of Taxation [2]. Group 2 - The article mentions a tax refund policy for individuals selling and purchasing housing, detailing the conditions under which tax refunds are applicable based on the sale and purchase amounts [7]. - It specifies that the tax refund is contingent upon the sale and purchase occurring within the same city, and outlines the criteria for eligibility [7]. - The article also highlights the reduced tax rates for deed tax based on the size of the property being purchased, with specific rates for properties under and over 140 square meters [9].