5. Verification
A. The household must provide verification of the following —
(1) income if the source has changed or the amount has changed by more than $50 per month,
(2) allowable medical expenses which were previously unreported or which have changed by more than $25 per month,
(3) the legal obligation to pay child support, including the obligated amount, and the amount paid,
(4) utility expenses when the household is not eligible for a utility allowance, and the amount has changed by more than $25 per month, and
(5) information which is contradictory to information known to or received by the Department or is otherwise considered questionable as defined in Section 999-1 including, but not limited to, factors affecting the composition of a household.
B. Acceptable verification is not limited to any single type of document. The Department may obtain verification from the household or other sources. Whenever documentation cannot be obtained, is contradictory to information known to or received by the Department, unclear, or insufficient to make a determination of eligibility or benefit level, the Department shall require collateral contacts.