http://www.legislation.gov.uk/ukpga/Vict/54-55/39/section/11Stamp Act 1891An Act to consolidate the Enactments granting and relating to the Stamp Duties upon Instruments and certain other enactments relating to Stamp Duties.texttext/xmlenStatute Law Database2020-10-05Expert Participation2020-07-22 Part I11Where the duty with which an instrument is chargeable depends in any manner upon the duty paid upon another instrument, the payment of the last-mentioned duty shall, upon application to the Commissioners and production of both the instruments, be denoted upon the first-mentioned instrument in such manner as the Commissioners think fit.S. 11 amended by Finance Act 1984 (c. 43, SIF 114), s. 111(2)(5)