Section 2
SEC. 2. The awards, conditional contracts to sell, deeds of sale, and other contracts leading to the conveyance of lots executed by virtue of Republic Act No. 4145 of the City of Manila are hereby cancelled and revoked, and the corresponding Transfer Certificates of Title and those derived therefrom and issued pursuant thereto are hereby deemed cancelled, and the ownership of the lots covered thereby reverted back to the Government, if the awardee, purchaser or his successor-in-interest is a non-resident and, therefore, not in actual physical possession of the lot so awarded or sold.