in aicc 3.5 and earlier, the specification is silent on the use of square brackets, which, in my mind, implicitly allows them. however, aicc 4.0 does now explicitly disallow their use.
Repeat this setence, but with the correct capitalization.
In AICC 3.5 and earlier, the specification is silent on the use of square brackets, which, in my mind, implicitly allows them. However, AICC 4.0 does now explicitly disallow their use.