For your Policy and Procedures on recognizing of important guests could be implemented effectively, I would like to require follwing requirements: X, X ...X and X.
英语冒号必须加在完整句子或独立子句之后,例如：
错误句：For our camping trip, I brought: a lantern, a sleeping bag, food, water, and a flashlight.
正确句：For our camping trip, I brought various essential items: a lantern, a sleeping bag, food, water, and a flashlight.