Core Viewpoint - The rapid rotation of sectors has led to increased attention on thematic funds, but the "style drift" phenomenon has emerged as fund managers shift allocations to popular sectors under performance and scale pressure [1][2]. Group 1: Thematic Fund Management Guidelines - The Asset Management Association of China has drafted the "Guidelines for Thematic Investment Style Management of Publicly Raised Securities Investment Funds" to standardize thematic fund management [2][3]. - The guidelines require that the names of thematic funds clearly indicate their investment direction and align with the investment direction specified in the fund contract [2][3]. Group 2: Style Library Establishment - Thematic funds are required to establish a "style library" that includes securities meeting specific investment directions [3][4]. - The guidelines specify that if the investment direction is based on market capitalization, specific thresholds must be set for inclusion in the style library [3][4]. Group 3: Monitoring and Compliance - Fund managers must establish approval procedures for the inclusion and exclusion of securities in the style library and ensure compliance with the fund contract [5][6]. - Compliance and risk control personnel are tasked with reviewing the securities in the style library and ensuring they meet legal and contractual requirements [6][7]. Group 4: Responsibilities of Fund Custodians - Fund custodians are required to implement a supervision mechanism for thematic funds and review the style library to ensure compliance with the fund contract [8][9]. - Custodians must verify the securities in the style library within five trading days of receipt and notify fund managers of any discrepancies [8][9].

Core Viewpoint - The article discusses the increasing attention on thematic funds in the investment market, highlighting the need for regulatory guidelines to manage their investment styles and ensure compliance with stated objectives [1][2]. Group 1: Regulatory Guidelines - The Asset Management Association of China has drafted the "Guidelines for the Management of Thematic Investment Styles of Publicly Raised Securities Investment Funds" to standardize the management of thematic investment funds [2][3]. - The guidelines require that the names of thematic investment funds clearly indicate their investment direction and align with the investment objectives stated in the fund contracts [2][3]. Group 2: Style Library Establishment - The guidelines mandate the establishment of a "style library" for thematic investment funds, which will include securities that meet specific investment directions [3][4]. - The criteria for inclusion in the style library will vary based on market capitalization, industry classification, and macroeconomic indicators, with a preference for data from authoritative sources [3][4]. Group 3: Monitoring and Compliance - Fund managers are required to implement strict approval processes for the establishment and updates of the style library, ensuring compliance with the fund contract [5][6]. - Fund managers must actively monitor investment behaviors and make timely adjustments if there are significant deviations from the stated investment direction [5][6]. Group 4: Responsibilities of Fund Custodians - Fund custodians are tasked with establishing a supervision mechanism for thematic investment funds, ensuring that the style library and investment directions are clearly defined and adhered to [7]. - Custodians must review the style library within five trading days of receipt and ensure compliance with the fund contract, providing timely feedback to fund managers if discrepancies are found [7].