Neb. Rev. Stat. § 8-381

If the department finds that a conversion proceeding has been completed in accordance with the requirements of sections 8-378 to 8-380 and any other applicable law and regulations, the department shall issue to the applicant a certificate of conversion, attaching as a part of such certificate a copy of the charter, articles of incorporation, articles of association, or similar instrument. Such conversion shall not become effective until the issuance of the certificate as provided in this section.