"The undersigned <first name, middle name, surname, Personal Identification Number, Personal Identity Card №, address> ..............................................., in my capacity as representative of <contractor-organization>................................................................................................................., being the ISSUER of this PROMISSORY NOTE, do hereby undertake to pay unconditionally in case of breach of the contract conditions and ***without protest***, to the Minister of Regional Development and Public Works upon an Ordinance issued by the Minister, the amount of <amount> ... (in words ...). "
http://www.mrrb.government.bg/pdocs/doc_2271.doc