It is no part of my duty to report life.

It is part of my duty as second in command.

This activity is a relatively small part of my duties.

It is part of everyone's civic duty to do this.

Is it part of the Government's duty to advise us all on what we should eat?

It's no part of your duty to keep anyone fully satisfied.

As part of his duties, he was a royal judge and held important prisoners.

Just what you've done, and this will be a part of your duties every day.

As part of his duties he was asked to repair some worn books.

The meal was considered to be a part of the priest's duties.