After the announcement of the progress
If it is necessary to make substantial changes to the Rules of a prize vietnam phone number example competition, and if permitted, a specific communication to the Ministry of Economic Development will be required, which must always be made at least 15 days before the implementation of the change itself using the CO/1 change form.

The same communication, which must be sent with the Prema Online IT Service, must include the new Regulations, any integration of the deposit and any further communications.