retirement allowance

I file an application.

私は申請します

I apply for my retirement allowance.

私は退職金を申請します

I apply for my retirement allowance at the personnel department.

私は人事部で退職金を申請します

I apply for my retirement allowance at the personnel department before I retire.

私は退職前に人事部で退職金を申請します

I apply for my retirement allowance at the personnel department with the person in charge before I retire.

私は担当者と退職前に人事部で退職金を申請します