Judgment of the Court (Tenth Chamber) of 10 July 2025.#PE, légalement représentée par ses parents v Städteregion Aachen.#Reference for a preliminary ruling – Social security – Migrant workers – Regulation (EC) No 883/2004 – Article 3 – Matters covered – Freedom of movement for workers – Article 45 TFEU – Regulation (EU) No 492/2011 – Article 7 – Equal treatment – Social advantages – Disabled minor child of a frontier worker – Integration assistance in the form of school assistance benefits for disabled children – Residence requirement