bceb2d6f__Names_Supporting_Organization__Implementation_Guideline
[0] IG E [IPC Comments] Given the potential impact any new gTLD will have on the IPC, ICANN must ensure that there will also be an adequate time period for public comment once applications are submitted. [Implementation Guideline] 
The application submission date will be at least four months after the issue of the Request for Proposal and ICANN will promote the opening of the application round.
PART ONE -- POLICY DEVELOPMENT PROCESS | Generic Names Supporting Organization
Implementation Guideline