| (a) | a construction contract or supply contract; |
| (b) | a performance bond or equivalent that is granted pursuant to a construction contract or supply contract; |
| (c) | an option given by a housing developer to an intending purchaser for the purchase of one or more units of housing accommodation; |
| (d) | an agreement between a housing developer and a purchaser for the sale and purchase of one or more units of housing accommodation; |
| (e) | an option given by a commercial developer to an intending purchaser for the purchase of one or more units of commercial property; |
| (f) | an agreement between a commercial developer and a purchaser for the sale and purchase of one or more units of commercial property. |