It is my duty to report it to the police.

把这事报告给警方是我的责任。

《牛津词典》

Several months later, finally received a call asking me to report for the duty.

几个月后，我终于接到一个电话，叫我去报到。

youdao

The head of London's Metropolitan Police has called for all Specials -- volunteer police officers -- to report for duty, as the capital's law enforcement resources are stretched thin.

伦敦警察队负责人还说，鉴于首都的执法力量已经捉襟见肘，伦敦警察队负责人还召集所有志愿警员报到上班。

youdao

He did report to duty to a U.S. Army Base in Japan (ironic again, since U.S. bases are there to protect Japan from North Korean attack) where he was court-martialed (in his sixties, he wore again his private uniform), spent time in the stockade, and dishonorably discharged.

FORBES: Viewing North Korea from Japan's Perspective

Thomas Warren told the newspaper that as he approached the courthouse entrance to report for jury duty, he saw what appeared to be the body of a man lying on his stomach.

CNN: 3 dead in Delaware courthouse shooting

Joao, therefore, has decided to report for duty.

ECONOMIST: Angola