LOCATION@1 was the first state in LOCATION@2 to adopt the constitutional monarchy system via ORGANIZATION@1 -LRB- Johor State Establishment Constitution -RRB- written by Sultan PERSON@1 .

It was the first state in LOCATION@2 which adopted the constitutional monarchy system , and its laws are stated in Undang-undang ORGANIZATION@2 -LRB- Johor State Establishment Constitution -RRB- , written by Sultan PERSON@1 .
