Section 031-180-15 - Amendments to Form BA. An amendment to Form B shall be filed within 15 days after the end of any month in which there is a material change to the information provided in the annual registration statement.B. Amendments shall be filed in the Form B format with only those items which are being amended reported. Each such amendment shall include at the top of the cover page "Amendment No. (insert number) to Form B for (insert year)" and shall indicate the date of the change and not the date of the original filings.02-031 C.M.R. ch. 180, § 15