Notaries may collect $2.00 to administer an oath or affirmation (but not an oath of office) and to take an acknowledgment or proof of execution. Many notaries elect to waive the fee, especially if working within the employ of a private or public employer. Each county clerk also has a notary on duty in the clerk's office to serve the public at no charge. Travel expense charged is a separate fee, unregulated by law, and is privately negotiated between the notary and client.