Regulation 17 Pre-1993 financial commitmentsF1

there was in force on 5th April 1993 and at the date that commitment was entered into, F2a maintenance order or a written maintenance agreement made before 5th April 1993 in respect of that absent parent and every child in respect of whom, before that date, he was, or was found, or adjudged to be, the parent; F3...

at least one of the children referred to in sub-paragraph (a) is a child in respect of whom the current assessment was made; and

the Secretary of State is satisfied that it is impossible for the absent parent to withdraw from that commitment or unreasonable to expect him to do so.