Interference takes place when a player obstructs, blocks, screens or charges towards an opponent, with or without direct contact, in such a manner that prevents the opponents approach to the ball carrier, potential ball carrier or the ball. Blocking is identified as the act of creating interference with contact.
You are reading the 2019 version of the rulebook. Other available versions of this page are:
Converted to the web by CFLdb. An Adobe Acrobat PDF of the current version is available.
The original source of the version presently being viewed is © Copyright 2019 Canadian Football League
Content compiled and entered by Jeff Harbin and Andre Proulx
The CFL Official Rule Book is published annually by the Canadian Football League. Any inquiries regarding the CFL Official Playing Rules may be directed to Darren Hackwood, Senior Director of Officiating at email@example.com. Any inquiries regarding CFL Statistical Scoring Rules may be directed to Steve Daniel, Senior Director of Game Information and Statistics at firstname.lastname@example.org.