Opinion of Advocate General Sharpston delivered on 28 February 2019.#M. Çoban v Raad van bestuur van het Uitvoeringsinstituut werknemersverzekeringen (Uwv).#Request for a preliminary ruling from the Centrale Raad van Beroep.#Reference for a preliminary ruling — EEC-Turkey Association Agreement — Additional Protocol — Article 59 — Decision No 3/80 — Social security for migrant workers — Waiver of residence clauses — Article 6 — Invalidity benefit — Withdrawal — Regulation (EC) No 883/2004 — Special non-contributory cash benefits — Residence condition — Directive 2003/109/EC — Long-term resident status.#Case C-677/17.