"advisory without" is a grammatically correct phrase and can be used in written English.
It is typically used to indicate a lack of guidance or advice in a particular situation. Example: The government issued a travel advisory without any specific recommendations, leaving tourists unsure of which areas to avoid.
The President appointed Volcker to lead his economic recovery advisory board, without taking the advice seriously.
The septet is an advisory body without statutory power, but once it comes to a decision, its influence is strong.
"It would be constitutionally inappropriate, not to mention setting a disturbing precedent, for the executive to act on an advisory referendum without explicit parliamentary approval – particularly one with such significant long-term consequences.
What would young New Yorkers, accustomed to the blunt and brittle leadership of Rudolph W. Giuliani, make of a mayor who appointed a school advisory panel without even one white middle-class member?
In a direct challenge to Downing Street's authority over Brexit, the House of Lords constitution committee has published a report declaring that it would be "constitutionally inappropriate" for the prime minister to act on an advisory referendum without referring back to parliament.
A couple of weeks ago she discovered that the report had been released to a lay advisory panel without her knowledge, and she is arguing that if they could see it surely all those who have supported her campaign have a right to see it.
Delors' successor, Romano Prodi, converted the cellule into a 'policy advisory group' without foresight activities.
The board could continue to fulfil its role as an advisory service without also acting as a censor, if only its services weren't government mandated.
The Faculty Senate's criticism of the administration's actions was ignored, for its official findings that the charges were both wrongheaded and handled badly was declared to be merely the statement of an advisory committee without any real voice.
However, it was a thankless job that was limited to logistical and advisory responsibilities, without true operational control of the armies unless he should join them in person during an emergency.
