38 C.F.R. § 20.405
After expiration of the 30-day period for response in § 20.404 , the Board will place all parties of the simultaneously contested claim on the docket for the type of review requested under § 20.202(b) . In the event the parties request different types of review, if any party requests a hearing the appeal will be placed on the docket described in § 20.800(a)(iii) , and VA will notify the parties that a hearing will be scheduled. If no party requested a hearing, but any party requested the opportunity to submit additional evidence, the appeal will be placed on the docket described in § 20.800(a)(ii) , and the parties will be notified of their opportunity to submit additional evidence within 90 days of the date of such notice.
38 C.F.R. §20.405
Authority: 38 U.S.C. 7105A(b)(1)