16 W he n a de c i si on i s t o be m a de b y t h e A ss e m bl y f or t he a bov e pr oposa l s t he S e c r e t a r i a t sha l l pr e pa r e a nd subm i t t o e a c h pr e se nt or r e pr e s e nt e d Me m be r a doc um e nt c ont a i ni ng t he de t a i l s of t he de c i si on t o be t a ke n t og e t h e r w i t h i t s pr oposa l s a nd or r e c om m e nda t i on s ba se d on t he i nput of t he T e c hni c a l W or k G r oup i f a ppl i c a bl e 13 M e e t i ngs of t he A ss e m bl y 131 O rdi nary m e e t i ngs O r di na r y m e e t i n g s of t he A ss e m bl y sha l l be he l d a t l e a st t hr e e t i m e s a y e a r i n c onj unc t i on w i t h t he C A S I I nst i t ut e m e e t i n g s i n p a r t i c ul a r t o a a ppr ove t he a nnua l bud ge t pr opose d b y t he S e c r e t a r i a t b r e vi e w t he t e c hni c a l a n d f i na nc i a l pr ogr e ss r e p or t s subm i t t e d b y t he S e c r e t a r i a t c r e vi e w t h e pe r f or m a nc e a nd pr o g r e ss of C onsor t i um a c t i vi t i e s a c c or di n g t o t he w or k pl a ns O ne or m or e r e p r e se nt a t i ve s of t h e S e c r e t a r i a t t he T r ust e e a nd t h e W or ki ng G r oup sha l l a t t e nd m e e t i ng s of t he A ss e m bl y a s a ppr op r i a t e t o r e por t on t he i r a c t i vi t i e s a nd t o r e c e i ve g ui da nc e 132 E x t raor di nary m e e t i ngs E x t r a or di na r y m e e t i n g s of t he A ss e m bl y m a y be c onve n e d a t t he r e q ue st of one Me m be r i n c i r c um st a nc e s w he n a g r e e d e st i m a t e d de a dl i ne s or bud g e t a r e ove r r un o r a n y ot he r m a j or une x pe c t e d e ve nt oc c u r s i n t h e pe r f or m a nc e of t he C onsor t i um s a c t i vi t i e s 133 N ot i c e and pl ac e of m e e t i ngs O r di na r y a nd E x t r a or di na r y m e e t i n g s of t h e A ss e m bl y sha l l be h e l d u pon w r i t t e n not i c e g i v e n b y t he S e c r e t a r i a t T he not i c e pe r i od sha l l be a t l e a st 28 t w e nt y e i g ht c a l e nda r da y s unl e ss ot he r w i se a gr e e d b y t he A ss e m bl y de pe ndi n g on t he na t ur e a nd or on t he ur g e n c y of t he i ss ue t o be di sc uss e d T he pl a c e a nd t i m e of A ss e m bl y m e e t i ng s sha l l be i ndi c a t e d on t he n ot i c e of t he m e e t i ng