Royal assent:

The Clerk of the Parliaments, an official of the House of Lords, traditionally states a formula in Anglo-Norman Law French, indicating the sovereign's decision. The granting of royal assent to a supply bill is indicated with the words "La Reyne remercie ses bons sujets, accepte leur benevolence, et ainsi le veult", translated as "The Queen thanks her good subjects, accepts their bounty, and wills it so." For other public or private bills, the formula is simply "La Reyne le veult" ("the Queen wills it"). For personal bills, the phrase is "Soit fait comme il est désiré" ("let it be as it is desired"). The appropriate formula for withholding assent is the euphemistic "La Reyne s'avisera" ("the Queen will consider it"). When the sovereign is male, Le Roy is substituted for La Reyne.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What phrase is used to announce a withheld assent?
"La Reyne s'avisera"