An assignment occurs when a new provider replaces the original provider. This may result from a sale of underlying assets of the original provider or from a change in the original provider's legal identity because of a change of business form, as from a corporation to a partnership. Only TxDOT, by written consent, may authorize assignment. Therefore, the Assignment form must have the signature of an authorized representative of the original provider, of an authorized representative of the new provider (who may in some cases be the same person), and of the authorized TxDOT representative.