Complex sentence: Caseworkers and officers are bound by the rules of data protection and confidentiality and have to respect the child's right to privacy, a requirement which can conflict with the need to share information about children with other authorities or professionals within countries of destination and across borders.
Split into simpler sentences: Caseworkers and officers are bound by the rules of data protection and confidentiality and have to respect the child's right to privacy. It is however often necessary to share information about children with other authorities or professionals within countries of destination and across borders.