《宋史·列传·卷一百七十二》
守丧期满后，赵必愿被差派为两浙运司主管文字，再次考核他为官的政绩后，他被特差派为提领安边所主管文字。
服除，差充两浙运司主管文字。再考，特差充提领安边所主管文字。
After the mourning period, Zhao Biyuan was assigned to be in charge of the text of Zhejiang Province's transportation office. After re-examining his political performance, he was given a special assignment to lead the text of the Anbian office.