Case C-488/13: Request for a preliminary ruling from the Тargоvishtki оkrazhеn sad (Bulgaria) lodged on 9 September 2013 — Parva Investitsionna Banka AD, UniKredit Bulbank AD, Siyk Faundeyshan LLS v Ear Proparti Developmant — v nesastoyatelnost АD, Insolvency administrator of Ear Proparti Developmant — v nesastoyatelnost АD