The Port of London Authority, in exercise of its powers under Section 111 of the Port of London Act 1968 as amended, and with the agreement of the Chamber of Shipping, gives the following General Directions to vessels in the Port of London. General Directions 2009 come into force on Tuesday 1st September 2009 on which date the existing General Directions 2006 (as amended) will be revoked. Click here to download a copy of the General Directions 2009 (available as a pdf file)