This form certifies the completion of a subcontract for the supply of services or materials. Need help downloading or filling forms?This is to certify the completion of a subcontract for the supply of services or materials between. (name of subcontractor). Construction Act forms. WARNING: Any forms shaded in grey in the table below have not yet come into force. Construction Lien Act. Construction Remedies Act. Fill in the blank Claim of Lien Against Construction Funds form formatted to comply with all North Carolina recording and content requirements.