11. The compromise bill also includes a grandfather clause that allows certain taxes imposed before March 1. 12. "We favored no grandfather clause , " she added. 13. Virginia also used a type of grandfather clause . 14. Washington state's GOP lawmakers are split on putting a grandfather clause into the term limits amendment. 15. The " grandfather clause " was responsible for an exodus of African Americans from Oklahoma to Canada. 16. However, because of the publicity that had arisen, they made an exception for Bredo, a grandfather clause . 17. That was a type of grandfather clause . 18. The grandfather clause was used in many states temporarily to exempt illiterate white voters from literacy tests. 19. Welfare Department spokesman Dick Powers estimated that about 6, 500 recipients will fall under the grandfather clause . 20. In 1915 in " Guinn v . United States ", the Court declared Oklahoma's'grandfather clause 'to be unconstitutional.