asked the Secretary of State for Scotland if he will list the local authorities in Scotland with derelict land capable of being renewed which failed to deal with any acreage in 1971.

Comprehensive surveys of remaining dereliction are not at present available for all local authority areas in Scotland. While progress generally has been good, I should like to speed it up; and I have this week invited all Scottish local authorities to submit five-year programmes of clearance, based on the best survey information available to them.