Reviewing the RDA update this morning, I noticed a link under LC-PCC PSs I.1 and J.1 to a short set of PCC guidelines on applying relationship designators:

There's a typo under Guideline 19: the "730" in the phrase "use a 700/710/711/730 author-title entry" has been included by accident.

Mark K. Ehlert                 Minitex
Coordinator                    University of Minnesota
Digitization, Cataloging &     15 Andersen Library
  Metadata Education (DCME)    222 21st Avenue South
Phone: 612-624-0805            Minneapolis, MN 55455-0439