The government will introduce the proposals in April 1996 for the London boroughs and the metropolitan districts, and following local government reorganisation for the English shire counties.
Mr Baldry said that the required percentage would be subject to a minimum in-house provision of £450,000 to safeguard the position of the smallest authorities, a figure that would be reviewed periodically.
The minister added that authorities will be able to count the following categories of professional and construction work towards meeting the CCT requirement:
'work carried out for LMS schools;
'work in support of other local authority activity which itself has been exposed to CCT; and
'construction and property work already contracted out'.