The publisher of a soon-to-be-released book by an anonymous senior Trump administration official has told the Department of Justice it would not comply with its request for proof the author did not sign any nondisclosure agreements.

Assistant Attorney General Joseph Hunt made the request Monday in a letter to the publishers of a book by the official behind a 2018 New York Times op-ed that declared there was a “resistance” within the administration is writing a book available next month.

Hunt wrote that, if the author was in fact a senior administration official, “publication of the book may violate that official’s legal obligations under one or more nondisclosure agreements, including nondisclosure agreements that are routinely required with respect to information obtained in the course of one’s official responsibilities or as a condition for access to classified information.” He said those agreements typically require that the government review any written material before publication.

In response, Hachette said it would not provide the information the department requested.

Read more at ABC News.