9 should not be used for cases that were closed prior to assessment, or for cases where, following a referral, the child was assessed as being in need at any point and services were provided at any point. If a primary need code is retained on your system for these children, then this can be returned using the full code set listed in section 4.5. However, if you do not retain a primary need code for some or all of these children use code ‘N0’ for this field. This allows for children whose reference data is not completely entered on the system and 42 whose need code is yet to be determined, or where the case is a referral that has been closed following assessment. When the reason for closure code RC8 or RC9 is used the case should be closed on the same date as the assessment ends or, if this is not practical, as soon as possible afterwards. 43 4.8 Date of initial child protection conference This data item in the children in need details module should only be completed where a child who is the subject of a child protection conference transfers into your local authority. In these cases, the receiving local authority should convene a child protection conference within 15 working days of being notified of the move and you should record the date of this child protection conference here and not in the section 47 group. 4.9 Assessments group Under the Children Act 1989, local authorities are required to provide services for children in need for the purposes of safeguarding and promoting their welfare. Local authorities undertake assessments of the needs of individual children to determine what services to provide and action to take. Assessments should be recorded only at significant points such as the beginning of a new episode of need. As set out in 'Working together to safegua