Question juridique clé
Whether the appellant could rely on the incorrect appellate instruction despite the late filing under the correct procedure.
Solution extraite
The appellant could rely on the incorrect instruction because no gross procedural negligence was attributable to him or his lawyer.
Motifs extraits
For false appellate instructions, a party is protected if the error was not recognizable with due attention. Here the first-instance court gave a detailed, reasoned but incorrect instruction; the mistake was not obvious, and the lawyer's conduct was not grossly negligent.