What are pincites, pinpoints, or jump legal references?
As case reporting became more sophisticated and reports became lengthier, lawyers and judges began to include what is now known as jump, pinpoint, or pincite references in their citations to make it easier for the reader to find quoted material or specific discussion within a case. Early on, it became customary to indicate these specific references by adding the relevant page number(s) to the citation, separated from the initial page number on which the case began by a comma. Larry L. Tepley, Legal Citation in a Nutshell (West Academic Publishing, 2nd ed. 2016).
The section on this information in The Indigo Book is Rule 15 for cases. This short form would also be used for statutes, books, journals, etc., and is included in rules 26, 29, 31, and 34.