The phrase "allowed to say when" is correct and usable in written English.
It can be used when discussing permissions or conditions regarding the timing of statements or actions.
Example: "You are allowed to say when you feel ready to start the project."
Alternatives: "permitted to indicate when" or "authorized to express when".
In fact, everything he knows about the product -- and what he is allowed to say when marketing it -- comes from surfing the Internet to see what his fellow vendors claim, without any input from the manufacturer.
And the iPhone would it be – are we thinking this year, I mean are you allowed to say when?
JonasWaters Stisl Lovesayingin Bieber.
"Am I allowed to say that?" When challenged about whether there was a conflict of interest in his role as the BBC's creative director and the way he contacted the team at Newsnight to challenge them on their planned story about Kids Company, he denied any such conflict.
After all, what indeed can a gay house vocalist say – or be allowed to say - when unable to speak from that perspective?
Are you allowed to say f*** when you're making a statement for the Oscars?
"We knew it was our last season, but we weren't allowed to say anything, but, when the announcement came down that day, we were all in a scene together..
We were not allowed to say goodbye to Marie Micheline when she left the next day to move in with Liline's mother, in a distant and destitute part of town.
We take for granted in the West that people should be allowed to say what they please, when they please, and as they please.
Are you allowed to say f--k when you're making a statement for the Oscars?
Radio is the best medium for pushing out the boundaries of what you're allowed to say - April 1989 was a brief time when the Party lost control of the media organs - and somehow she persuaded the authorities [to let her do the show], though how she managed to continue after the crackdown I don't know".
