The Exchange reserves the right to require disclosure of such additional or alternative items of information as it considers appropriate in any particular case. The Exchange also has the right to permit the omission or modification of items of information to suit the circumstances of a particular case. Where permission is sought to the omission or modification of items of information, the listing document, in the form desired, may not be issued until such permission has been granted by the Exchange. Issuers are encouraged, through their Sponsors where so retained, to seek informal and confidential guidance from the Exchange at the earliest opportunity.