4. Rule 10 of the principal Rules is amended by inserting, immediately after paragraph (3), the following paragraph:
“(1) Where the number of parking spaces to be provided in a housing project is less than the number of units in the housing project, the housing developer shall, before accepting a booking fee from an intending purchaser for an option to purchase a unit in that housing project —
notify the intending purchaser that information on the number of parking spaces and units in that housing project is available for his inspection at a specified place and during specified hours free of charge; and
make available such information for inspection at the specified place and during the specified hours if so requested by that intending purchaser.”.