No law-enforcement officer shall be required or requested to disclose any item of his property, income, assets, source of income, debts, or personal or domestic expenditures, including those of any member of his family or household, unless (i) such information is necessary in investigating a possible conflict of interest with respect to the performance of his official duties(ii) such disclosure is required by law, or (iii) such information is related to an investigation. Nothing in this section shall preclude an agency from requiring the law-enforcement officer to disclose any place of off-duty employment and where he may be contacted.