DEVELOPMENT AND SELLING OF REAL ESTATE    BUYING OR SELLING OF OWN OR LEASED REAL ESTATE    NON-PROFIT HOUSING SOCIETIES    PRIVATE COOPERATIVE HOUSING ASSOCIATIONS    OTHER LETTING OF REAL ESTATE    LETTING OF NON-RESIDENTIAL BUILDINGS    ESTATE AGENTS    ALLOCATION OF HOUSING    LETTING OF HOLIDAY HOMES    HOUSEOWNERS ASSOCIATIONS    OTHER MANAGEMENT OF REAL ESTATE