Examples of case law offering an aid to
the interpretation of the term "permitting drunkenness"
in section 172 of the Licensing Act 1964
In Edmunds v James  1 QB
18, it was held that to supply drink to a person who is already
drunk is to permit drunkenness.
In Hope v Warburton  1 QB
134, it was held that a person may be liable for permitting drunkeness
even though he has supplied no drink.
Townsend v Arnold  75 JP
423 is authority for the proposition that "to permit"
implies power to prevent, and Somerset v Wade  1
QB 574 is authority for the proposition that "permitting"
In Davies v Lees  BTRLR
278 it was held that a licensee must be allowed discretion as
to the time at which, and the means by which, he should take steps
to eject a drunken person.
In Warden v Tye  2 CPD 74
it was held that a licensee who is himself drunk on his own premises
cannot be convicted of "permitting drunkenness".