On 30th October, CMS Cameron McKenna Narbarro Olswang LLP published an article saying that on 23rd October, amendments to the Bulgarian Commerce Act came into force, which entirely repeal bearer shares in Bulgaria. According to this amendment, all existing joint-stock companies and partnerships that have issued bearer shares must substitute them with registered shares.
http://www.cms-lawnow.com/ealerts/2018/10/bearer-shares-now-fully-abolished-in-bulgaria?cc_lang=en