Where a contract for sale contains a clause regulating the purchaser's right to nominate a transferee (requiring a direction signed by the purchaser personally), failure to comply with that clause means the purchaser cannot rely on nomination, but the parties' conduct may still support a finding of novation substituting a new purchaser.
The full text is available to signed-in members, including the 11 later cases that cite this judgment.
2 of the 11 citing cases carry a classified treatment. How each court treated it is available to signed-in members.