Preventive fire inspections are performed in these time periods: a) every 12 months in residential buildings and in buildings and premises with only occasional work places, to which the employee is not regularly bound and where he/she resides only occasionally in intervals of several days, usually only for inspection, maintenance or repair purposes, b) every six months in buildings and premises in which only administrative activity is performed, c) every three months in other buildings or premises of the legal person or natural person – entrepreneur, unless his/her statutory body or representative responsible for fire safety in these buildings or premises stipulates a shorter period.