Guidelines for SCOTUS Amicus briefs

Bloomberg reports:
Friend of the Court—The Supreme Court issued guidance for filing amicus briefs, clearing up a number of contested issues that had previously been resolved through informal rules and word-of-mouth lore. The new rules address topics like “blanket-consent” letters, the listing of numerous amici, and explicit permission for an attorney to file more than one amicus brief in a given case.

The new, 6-page, SCOTUS Memo is here.
Law360's article is Friendly Filer: Supreme Court Clarifies Amicus Rules.