20. Also urges all States to employ duly authorized and trained government officials to enforce their immigration laws and border controls and to take appropriate and effective measures to deter and prevent private persons or groups from violating criminal and immigration laws relating to border enforcement and from wrongfully undertaking actions reserved to government officials, including by prosecuting those violations of the law that may result from such actions;
20. 又敦促所有国家以得到正当授权和培训的政府官员执行移民法规和边境管制事务，并采取适当和有效措施，阻止和防止个人或私人团体触犯有关边境管制的刑法和移民法规以及不当地采取政府官员的专属执法行动，包括起诉这类行径可能产生的违法行为；