Consular officers and their attorneys shall comply with all board rules and shall attend any prehearing conference or board hearing set on any compensation claim where such consular officers or their attorneys shall purport to represent the interests of any resident or nonresident alien beneficiary in a workers' compensation claim under the workers' compensation laws of Texas. No attorney's fees or other expenses shall be deducted or withheld from any compensation paid without prior authorization of the board pursuant to the provisions of Texas Civil Statutes, Article 8306, §7c. The board shall be provided with proper documentation, as it may request, from time to time, of the remission of compensation benefits paid through any consular office pursuant to the provision of Texas Civil Statutes, Article 8306, §17.