You can complain to the Ombudsman if you believe that your human rights have been violated by Bulgarian state officials or institutions.
However, there are some conditions which you have to take into account before submitting a complaint:
The Ombudsman cannot investigate cases which do not directly relate to human rights and freedoms of the citizens.
example The Ombudsman cannot investigate your application if your complaint is that the parliament has not adopted a certain law, or you believe that another private individual has damaged your good reputation.
The Ombudsman cannot investigate the decisions or actions of government agencies from other countries, international organizations or private entities that are not related to human rights or good governance.
You can file an application to the Ombudsman irrespective of whether you are a Bulgarian citizen or not. In addition, non-profit organisations formed for public benefit too can apply if they have human rights among their statutory objectives.