Any securities issued by the International Development Association (including any guaranty by the Association, whether or not limited in scope) and any securities guaranteed by the Association as to both principal and interest shall be deemed to be exempted securities within the meaning of section 77c(a)(2) of title 15 and section 78c(a)(12) of title 15: Provided, That the Association shall file with the Securities and Exchange Commission such annual and other reports with regard to such securities as the Commission shall determine to be appropriate in view of the special character of the Association and its operations, and necessary in the public interest or for the protection of investors.