(a) Notice issued to multiple respondents. The initiating official may issue and serve a Notice with respect to multiple respondents. The respondents may elect to make either joint or separate responses to such a Notice under § 1091.203 and be jointly or separately represented at a supplemental oral response under § 1091.205.

(b) Supplemental Notice to add respondents. The initiating official may issue a supplemental Notice in a pending proceeding to add one or more respondents. The Director will adopt such procedural steps as may be appropriate to ensure that the added respondents have a reasonable opportunity to respond to the supplemental Notice.