(a) A person appointed under section 855 to be an assessor and a person (in this section also referred to as an "assessor") appointed under section 854 shall on request be furnished free of charge by any officer in the relevant department or office or by any agent by whom the same are payable with true accounts of any salaries, fees, wages, perquisites, profits, pensions or stipends chargeable under Schedule E.
(b) Every such assessor shall have access to all documents in his or her department or office which concern any such payments.
(c) Every such assessor may, if he or she is dissatisfied with any account referred to in paragraph (a) or in any case in which it may be necessary, require from any person to be charged an account of any salary, fees, wages, perquisites, profits, pensions or stipend, within the like period as is limited for the delivery of statements of profits or gains under the Income Tax Acts, and under the like penalty as is provided in the case of failure