Bomba Certificate for Fire Extinguisher (lesen alat pemadam api) must be renewed and serviced every year. This complies to Bomba Act fire extinguisher for commercial purposes only, meaning that fire extinguisher for home and car doesn’t require Bomba Certificate. How to apply for Bomba Certificate: Bomba Certificate renewal can be done by a certified fire contractor. AITO is a certified fire contractor. Contact us.