The present document covers the underlying issues related to the GDPR Handbook, in the scope of the FUDGE-5G project, and provides practical guidelines for members of the project to manage personal data in a compliant manner. This handbook gathers the best practices according to the requirements of the General Data Protection Regulation (GDPR) and individual rights to attain. It also includes the best practices on processing personal data providing a practical approach to comply with data privacy regulations aligned to the requirements of the GDPR. This deliverable also includes the templates of the consent forms and the ethical and legal frameworks to be used throughout the project.