(a) if, during the currency of the contract or any subsequent or substituted contract between the same parties, or on the normal expiry, of any such contract, or its earlier determination by the first employer, the employee becomes liable to be treated as a prohibited immigrant, the first employer shall be liable to pay to the Government all expenses which may be incurred by Government in connection with the maintenance and transport of the employee and his or her deportation from Saint Lucia (in this section referred to as the expenses of the deportation of the employer);