(1) In this Part “chargeable interest” means—
(a)an estate, interest, right or power in or over land in [F67England F68... or Northern IrelandF67] , or
(b)the benefit of an obligation, restriction or condition affecting the value of any such estate, interest, right or power,
other than an exempt interest.
[F69 (1A)See section 48A regarding land which is partly in England and partly in Wales.F69]
(2)The following are exempt interests—
(a)any security interest;
(b)a licence to use or occupy land;
(c)F70...—
(i)a tenancy at will;
(ii)an advowson, franchise or manor.
(3)In subsection (2)—
(a) “security interest” means an interest or right (other than a rentcharge) held for the purpose of securing the payment of money or the performance of any other obligation; and
(b) “franchise” means a grant from the Crown such as the right to hold a market or fair, or the right to take tolls.
[F71 (3A)Section 73B makes additional provision about exempt interests in relation to alternative finance arrangements.F71]
F72 (4). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(5)The Treasury may by regulations provide that any other description of interest or right in relation to land in [F73England F74... or Northern IrelandF73] is an exempt interest.
(6)The regulations may contain such supplementary, incidental and transitional provision as appears to the Treasury to be appropriate.
[F75 (7)This section has effect subject to subsection (3) of section 44A (contract and conveyance to third party) [F76 and to paragraph 15A of Schedule 17A (reduction of rent or term of lease)F76] .F75]