A lien or right to claim a lien may be waived by agreement. A waiver of a lien should be in writing, and the writing should plainly show that the claimant or potential claimant clearly and knowingly intended to waive the lien or right to a lien.
This form is a generic example that may be referred to when preparing such a form for your particular state. It is for illustrative purposes only. Local laws should be consulted to determine any specific requirements for such a form in a particular jurisdiction.