Notwithstanding any stipulation to the contrary, where under a contract of employment of a workman employed in agriculture the provision of a house or part of a house for his occupation forms part of his remuneration, and the provisions of the last foregoing section are inapplicable by reason only of the house or part of the house not being let to him, there shall be implied as part of the contract of employment the like condition and undertaking as would be implied under those provisions if the house or part of the house were so let, and those provisions shall apply acordingly, with the substitution of " employer " for " landlord ", and such other modifications as may be necessary:

Provided that this section shall not affect the obligation of any person other than the employer to repair a house to which this section applies, or any remedy for enforcing any such obligation.