Answer: bythebook

AnswerCrossword Clue
BYTHEBOOKAccording to Hoyle
BYTHEBOOKFollowing all rules
BYTHEBOOKCorrectly
BYTHEBOOKAccording to regulations
BYTHEBOOKNot vary from proper procedure
BYTHEBOOKHow officials do things?