The exemption in clause 5(e) is subject to the condition that the credit union must send, or cause to be sent, to each holder of debt securities of which the credit union is the issuer, at any time on request and at least once every 6 months, a written statement that properly evidences the amount, nature, and ownership of all debt securities allotted by the credit union, whether before or after the date on which this notice comes into force, and held by the securities holder.