when :standard
          procurement_id = header.xpath("./div[@class='MainHeader'][1]").inner_text
          bulletin_and_year = header.xpath('./div[2]').inner_text.gsub(/ /, '').match(/Vestník.*?(\d*)\/(\d*)/u) || header.xpath('./div[3]').inner_text.gsub(/ /, '').match(/Vestník.*?(\d*)\/(\d*)/u)
        when :problem_1