module per child is shown in the children in need 2023 to 2024 logical data model: Figure 1: children in need census 2023 to 2024 structure Children Child (1...n) Child characteristics Children in need details (1…n) Section 47 (0…n) Child protection plans (0…n) Reviews (0…n) Disabilities (0…n) Assessments (0…n) Factors identified at end of assessment CIN Plan (0…n) 17 1.6 Children in need census data modules There are four modules of data in this children in need census, each with its own set of data items: 1. Child identifiers 1.1. ‘LA child ID’; 1.2. Unique pupil number (UPN); 1.3. Pupils former unique pupil number; 1.4. UPN unknown reason (optional); 1.5. Date of birth; 1.6. Expected date of birth; 1.7. Gender; 1.8. Date of death. 2. Child characteristics 2.1. Child ethnicity; 2.2. Type of disability. 3. Children in need details 3.1. Referral date; 3.2. Referral no further action; 3.3. Source of referral; 3.4. Primary need code; 3.5. ‘CIN’ closure date; 3.6. Reason for closure; 3.7. Date of initial child protection conference (transfer in cases); 3.8. Assessment group: 3.8.1. Assessment actual start date; 3.8.2. Assessment internal review point date (optional); 3.8.3. Assessment authorisation date. 3.9. Factors at assessment (factors at end of assessment process); 3.10. CIN Plan dates group: 3.10.1. CIN Plan start date; 3.10.2. CIN Plan end date. 18 3.11. Section 47 group: 3.11.1. Section 47 enquiry actual start date; 3.11.2. Target date for initial child protection conference (optional); 3.11.3. Date of initial child protection conference; 3.11.4. Initial child protection conference not required. 4. Child protection plans 4.1. Child protection plan start date; 4.2. Initial category of abuse; 4.3. Latest category of abuse; 4.4. Number of previous child protection pla