ment ▁of ▁titles , ▁where by ▁they ▁become ▁part ▁of ▁the ▁aw arde es ' ▁personal ▁names ▁in ▁official ▁correspond ence ▁or ▁when ▁mentioned ▁in ▁formal ▁media ▁in ▁the ▁country . ▁The ▁decor ations ▁and ▁med als ▁are ▁under ▁the ▁responsibility ▁of ▁, ▁a ▁government ▁department ▁under ▁the ▁Prime ▁Minister ' s ▁Office , ▁which ▁also ▁over se es ▁Br une ian ▁royal ▁trad itions ▁and ▁protocol . ▁ ▁The ▁ins ign ia ▁are ▁displayed ▁in ▁the ▁Royal ▁Reg alia ▁Museum ▁located ▁in ▁the ▁capital . ▁ ▁In vest iture ▁▁ ▁The ▁actual ▁invest iture ▁involves ▁aw arde es ▁being ▁given ▁bad ges ▁in ▁a ▁ceremony ▁by ▁the ▁Sultan ▁or ▁sometimes ▁the ▁Crown ▁Prince ▁upon ▁the ▁Sultan ' s ▁dis cret ion . ▁The ▁ceremony ▁is ▁tradition ally ▁held ▁in ▁Lap au ▁which ▁is ▁a ▁type ▁of ▁cer emon ial ▁hall ▁for ▁royal ▁cer emon ies ▁in ▁the ▁Br une ian ▁culture . ▁At ▁present , ▁the ▁state ▁decor ations ▁to ▁the ▁third ▁class ▁are ▁always ▁con ferred ▁by ▁Sultan ▁Hass anal ▁Bol k iah ▁in ▁a ▁royal ▁ceremony ▁held ▁ann ually ▁on ▁the ▁day ▁of ▁the ▁Sultan ' s ▁birth day ▁on ▁ 1 5 ▁July ▁at ▁, ▁a ▁cer emon ial ▁hall ▁within ▁Ist ana ▁Nur ul ▁I man , ▁the ▁Sultan ' s ▁palace . ▁Meanwhile , ▁the ▁state ▁decor ations ▁of ▁lower ▁classes ▁as ▁well ▁as ▁med als ▁of ▁honour ▁are ▁con ferred ▁by ▁the ▁Sultan ▁or ▁the ▁Crown ▁Prince ▁Al - M u ht ade e ▁B illa