Making representation to AG's Chambers is done all the time by lawyers. Its usually to do with plea bargaining etc. Even if you have no lawyer, you can write to AG to reconsider your case. That is what one calls "making representation to the AG Chambers"
AG also cannot trust?
Ko has applied for time to make representations to the Attorney-General's Chambers. He faces a fine of $100,000 or five years in jail or both for corruption. The penalty for cheating is up to seven years in jail and a fine.