对于《联合国反腐败公约》的非强制性规定，圣多美和普林西比可考虑采取以下步骤，以加强其国内措施的有效性：将外国公职人员和国际公共组织官员接受贿赂、主动和被动形式的影响力交易以及私营部门的贿赂定为刑事犯罪。
With regard to the optional UNCAC provisions, Sao Tome and Principe may consider taking the following steps to enhance the effectiveness of its domestic measures:
Criminalizing passive bribery of foreign public officials and officials of public international organizations, trading in influence in both the active and passive forms, and bribery in the private sector.