(1) All assistance grants in the form of money payments made under this part shall be reconsidered by the regional director, or a designated agent, as frequently as may be required by the rules and regulations of the department.
(2) After such further investigation as the regional director, or a designated agent, may deem necessary or the department may require, the amount of assistance in the form of money payments may be changed or assistance may be entirely withdrawn if the recipient's circumstances have altered to warrant such action.
(3) A recipient shall submit to a reexamination as to such recipient's permanent and total disability when required to do so by the regional director, or a designated agent, or the department.
(4) A recipient shall also furnish any information bearing on such recipient's eligibility required by the regional director, or a designated agent, or by the department.