20. Effect of a letting for an unlawful purpose.

Where a lease has been granted but is unenforceable because it was made for an unlawful purpose1, the tenant cannot be obliged to pay rent or perform his covenants but is entitled to remain in occupation until the expiry of the term granted by the lease unless the landlord can prove that the grant of the lease was induced by fraudulent misrepresentation on the tenant's part2. It seems, however, that the landlord might obtain an order for possession under the proviso for re-entry if the tenant committed a breach of covenant or if the tenant had successfully resisted a