8. The area of land that may be alienated to the same occupant who does not produce a title is the area of land that he uses or that he requires, but may not be more than half a hectare where the land is occupied mainly for residential purposes.
Where the land is used for sylvicultural purposes, the alienable area of land is that which is actually used and necessary for those purposes.
Where the land is occupied and used for other than residential, sylvicultural, agricultural, fishery or food-supply purposes, the maximum alienable area of land is 4 ha.