1210. Variable or uncertain rent.

For the purposes of stamp duty land tax, where the amount of rent payable under a lease1 varies in accordance with provision made in the lease, or is contingent, uncertain or unascertained2, the following provisions apply to determine that amount3:


    (1)     as regards rent payable in respect of any period before the end of the fifth year of the term of the lease, the provisions relating to stamp duty land tax4 apply as in relation to any other chargeable consideration