Quote Ferocious Aardvark="Ferocious Aardvark"The rule states that a player will be penalised for deliberately knocking on or passing forward. This does not mean it will be a penalty, which is what I think the OP wanted to know. He will be penalised by way of a scrum with head and feed to the opposition.
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The rules do state a penalty will be given for a deliberate knock-on
"A player shall be penalised if he deliberately knocks on"
penalise is defined as
"is to award a penalty kick against an offending player"
Awarding a scrum is just a means of restarting play, if a player following the 6th PTB kicks the ball outide his 20m and the ball goes out of play on 30 metres from the opponents try-line, would that player be said to be penalised? Because the opposition would be given the feed at the scrum.
The situation is clear deliberate knock-on and deliberate forward pass rules should be wiped from the rule book. The former was first introduced over 100 years ago.