Helfrich's attempts were resisted by Hubertus van Mook, acting Governor-General of the Dutch East Indies, who wished NIGIS to retain its civil status rather than be absorbed by the military apparatus.
Upaya Helfrich ditolak oleh Hubertus van Mook, pelaksana tugas Gubernur Jenderal Hindia Belanda, yang berharap agar NIGIS mempertahankan status sipilnya daripada diserap oleh aparatus militer.