Regulations on the Implementation of Enterprise Income Tax Law of People's Republic of China (PRC)
Article 42
Except as otherwise provided by the competent departments of finance and taxation of the State Council, the part of employees' education expenses incurred by the enterprise that does not exceed 2.5% of the total wages and salaries is allowed to be deducted; The excess shall be allowed to be carried forward and deducted in future tax years. Article 43
Business entertainment expenses related to the production and business activities of the enterprise shall be deducted according to 60% of the amount incurred, but the maximum amount shall not exceed 5‰ of the sales (business) income of the year. Article 44
Unless otherwise stipulated by the competent department of finance and taxation of the State Council, the eligible advertising expenses and business promotion expenses incurred by the enterprise do not exceed 15% of the sales (business) income of the current year, and are allowed to be deducted; The excess shall be allowed to be carried forward and deducted in future tax years.