(a) The comptroller may provide professional and technical assistance on request in appraising property, installing or updating tax maps, purchasing equipment, developing recordkeeping systems, or performing other appraisal activities. The comptroller may also provide professional and technical assistance on request to an appraisal review board. The comptroller may require reimbursement for the costs of providing the assistance.
(b) The comptroller may provide information to and consult with persons actively engaged in appraising property for tax purposes about any matter relating to property taxation without charge.