Labels:book | reckoner | sky | tree OCR: ful purpose See Linarota V. United States, 471 U.S. 419. 426 1985 (requiring proof of knowledge 0f regulations governing U8O af food stamps because without. such requirement, the statute could punish broad range apparently innocent conduct' C1 Lambert California 355 U.S 229 (requiring knowl ledge city' registration requi irement for newly arrived ex-felons as constitutional matter where "circumstances which might move one n. quire as to the necessity of registration [were com- pletely lacking' Criminal tax cascs are the primary example of the Court's oceasi sional construction the term "willful- ness t.n require knowiedge JO the law Noting the special complexity of the tax laws, the Court has held that defendant charged with tax crime must be that his cond uet unlawful before he may be hel ...