2 canonical passages across 2 cases, quoted by 17 opinions in total. These passages cluster together because the same opinions keep quoting them side by side — they state parts of one doctrine. The anchor passage is from Thiessen v. Comm'r.
| # | Case | Flag | Canonical passage | Citers |
|---|---|---|---|---|
| 1 | Thiessen v. Comm'r Anchor | green | “issues and arguments not advanced on brief are considered to be abandoned.” | 14 |
| 2 | Julie A. Rockafellor v. Commissioner | green | “issues and arguments not advanced on brief are considered to be abandoned.” | 3 |
A red or yellow flag on a member means the underlying case has negative treatment — for those, check the case page before relying on the passage.