In section 61(10) of the Housing (Scotland) Act 1987 (definition of occupation of house for purposes of purchase by secure tenant)—
in paragraph (a)(v) (occupation by member of tenant's family succeeding to tenancy may be treated, at discretion of landlord, as occupation for purposes of right to buy) the words "in the discretion of the landlord" shall be omitted; and
in paragraph (b) (rules for determining period of occupation) there shall be added at the end—and iiithere shall be added to the period of occupation of a house by a joint tenant any earlier period during which he was at least 16 years of age and occupied the house as a member of the family of the tenant or of one or more of the joint tenants of the house..
This section does not apply in any case where the application to purchase the house under section 63(2) of that Act has been served before the coming into force of this section.