Iowa Admin. Code r. 189-17.12
17.12(2) At least quarterly, a credit union must prepare a written report setting forth the sum of the fair values of all fixed and variable rate securities held that have one or more of the following features:
17.12(3) When the amount calculated in 17.12(2) is greater than a credit union’s net worth, the report described in that subrule must provide a reasonable and supportable estimate of the potential impact, in percentage and dollar terms, of an immediate and sustained parallel shift in market interest rates of plus and minus 300 basis points on: