43 Tex. Admin. Code § 21.10
Every reasonable effort will be made to acquire real property by negotiation and the full amount established as just compensation will be offered for such property. An owner of real property will be provided with a written statement of, and summary of the basis for the amount established as just compensation. Where appropriate, the just compensation for the real property acquired and for damages to remaining real property shall be separately stated. No owner shall be required to surrender possession of real property before payment of the agreed purchase price, or deposit with a court the amount of the award of compensation in a condemnation proceeding of such property. To the greatest extent practicable, no person lawfully occupying real property shall be required to move without at least 90 days written notice of the date by which such move is required.
Source Note:The provisions of this §21.10 adopted to be effective January 1, 1976.