Item a is correct. According to Article 25 of the Guidelines for Internal Control of Investment Banking of Securities Companies, the investment banking department of a securities company should equip each investment banking project with relevant professional knowledge, performance ability and an appropriate number of business personnel to ensure the implementation quality of investment banking projects.
Item b is correct. Article 29 stipulates that a securities company shall not directly link the salary income of investment banking personnel with the project income it undertakes, and shall comprehensively consider their professional ability, practice quality, compliance and business income.
Item c is correct. Article 32 stipulates that a securities company shall establish an avoidance system for internal control personnel and specify the circumstances of avoidance. Internal control personnel shall not participate in auditing and voting on projects with conflicts of interest that may affect their fair performance of their duties.
Wrong D, Article 34 stipulates that a securities company shall establish a scientific and reasonable salary assessment system for internal control personnel in investment banking business to ensure that internal control personnel independently and effectively perform their internal control duties. The salary income of internal control personnel shall not be linked to the income of individual investment banking projects. If the internal control personnel are competent, their total salary income shall not be lower than the average level of the company's personnel at the same level.