Core Viewpoint - The Gansu Securities Regulatory Bureau issued a warning letter to the Gansu branch of the Bank of China for failing to include long-term investment returns for investors in the evaluation metrics for branch institutions and fund sales personnel, violating regulatory guidelines [1]. Group 1: Regulatory Actions - The Gansu Securities Regulatory Bureau decided to issue a warning letter as an administrative regulatory measure against the Gansu branch of the Bank of China, which will be recorded in the securities and futures market integrity archives [1]. - The Gansu branch is required to take the matter seriously, comply with relevant laws and regulations regarding fund sales, and submit a written rectification report to the Gansu Securities Regulatory Bureau within 30 days of receiving the decision [1]. Group 2: Regulatory Guidelines - According to the "Measures for the Supervision and Administration of Publicly Raised Securities Investment Fund Sales Institutions," fund sales institutions must establish a sound internal assessment mechanism that prioritizes investor interests and long-term investment concepts [2]. - The guidelines specify that fund sales institutions should include the scale of fund sales and long-term investment returns in the evaluation metrics for branch institutions and fund sales personnel, while avoiding short-term incentives and focusing on sustainable sales practices [2].