378Exemption from stamp duty
Stamp duty shall not be charged on—
(a)any document, being a deed, conveyance, assignment, surrender, admission or other assurance relating solely to property which is comprised in a bankrupt's estate and which, after the execution of that document, is or remains at law or in equity the property of the bankrupt or of the trustee of that estate,
(b)any writ, order, certificate or other instrument relating solely to the property of a bankrupt or to any bankruptcy proceedings.