(1) Where an interest in land—

(a) is comprised in a person’s estate immediately before his death, and

(b) is sold by the appropriate person in the fourth year immediately following the date of the death, otherwise than in circumstances in which section 197(1) above has effect,

the interest shall be treated, for the purposes of section 191(1) above, as having been sold within the period of three years immediately following the date of the death.

(2) Subsection (1) above shall not have effect in relation to an interest if its sale value would exceed its value on death.

(3) In determining the period referred to in section 192(1) above, no account shall be taken of the sale of an interest in relation to which subsection (1) above has effect; and if the claim relates only to such interests, section 192 shall not apply in relation to the claim.

(4) In applying section 196(1) above, no account shall be taken, for the purposes of paragraph (a) of that subsection, of an interest in relation to which subsection (1) above has effect.