▁province ▁Sur iga o ▁del ▁Sur ▁was ▁created ▁as ▁the ▁ 5 6 th ▁Philipp ine ▁province ▁on ▁June ▁ 1 9 , ▁ 1 9 6 0 ▁through ▁Republic ▁Act ▁ 2 7 8 6 , ▁separated ▁from ▁its ▁mother ▁province , ▁Sur iga o , ▁on ▁September ▁ 1 8 , ▁ 1 9 6 0 . ▁ ▁At ▁the ▁time ▁of ▁its ▁in ception , ▁it ▁was ▁class ified ▁as ▁ 4 th ▁Class ▁province ▁with ▁an ▁annual ▁income ▁of ▁over ▁ 3 0 0 , 0 0 0 . 0 0 . ▁Seven ▁years ▁later , ▁because ▁of ▁rapid ▁increase ▁of ▁re venue ▁collection ▁particularly ▁from ▁the ▁logging ▁vent ures , ▁it ▁has ▁been ▁rec lass ified ▁as ▁Ist ▁Class ▁B ▁and ▁in ▁ 1 9 8 0 ▁as ▁Ist ▁Class ▁A ▁with ▁an ▁estimated ▁annual ▁income ▁of ▁around ▁ 1 3 , 0 0 0 , 0 0 0 . ▁It ▁has ▁been ▁rec lass ified ▁as ▁ 2 nd ▁Class ▁with ▁a ▁re venue ▁adding ▁up ▁to ▁ 3 1 5 , 8 8 8 , 3 0 0 . 6 3 . ▁ ▁Rec are do ▁B . ▁Cast illo ▁was ▁the ▁appointed ▁first ▁governor ▁and ▁subsequently ▁elected ▁governor ▁while ▁Vic ente ▁L . ▁P iment el ▁was ▁the ▁first ▁elected ▁con gress man . ▁ ▁The ▁province ▁was ▁formed ▁with ▁ 1 3 ▁municipal ities . ▁Six ▁more ▁were ▁added , ▁raising ▁the ▁number ▁to ▁ 1 9 ▁with ▁T and ag ▁as ▁the ▁capital