Lawyers Duty of Disclosure Act of 1983

Lawyer's Duty of Disclosure Act of 1983 - Amends the Federal criminal code to require an attorney upon discovering his client's intent to commit a crime to inform Federal law enforcement authorities.

Makes it a Federal offense for an attorney to fail to make timely disclosures to law enforcement authorities of his knowledge of a clients criminal behavior if such attorney's services have been used. Provides for a fine of up to $5,000 and/or imprisonment for up to one year for violations of this section.

Applies these requirements only to an attorney who, within the course of representing a client, prepares or mails any document or other item that could assist the client in committing a criminal or fraudulent act.