Sale of a property and completing the transactions of transfer

Can the following transaction(s) be done amongst the buyer/seller through the developer and Dubai Land Department in ONE ( 1 ) DAY?

1- Balance payment paid to the developer against the property.

2- NOC charges paid to the developer for property registration in Dubai Land Department.

3- PoA sold the same property to a new buyer on the same date.

4- Developer issued property registration letter to Dubai Land Department in favour of the new buyer.

5- New buyer paid Oqood, ERES, property registration charges on the same date.

6- Intial contract of sale issued to the new buyer by Dubai Land Department on the same date.

7- Transfer of ownership of the same property done by Dubai Land Department from legal heirs of the deceased to the new buyer on the same date.

8- Property Registration Letter of depicting that the deceased legal heirs sold it on the same date.

9- Passport of the Attorney was expired ( so how come these transactions can be honored legally as per Dubai real estate laws )?