This is the 13882nd most frequent Turkish word.
makamlarca
"By the authorities" or "by the offices."
In this sentence, 'makamlarca' indicates the agent by which the action is carried out, referring to authorities or official entities.
Karar, ilgili makamlarca onaylandı.
The decision was approved by the relevant authorities.
Here, 'makamlarca' specifies that the action of reviewing was performed by the mentioned context of 'makamlar' (authorities).
Düzenleme, çeşitli makamlarca gözden geçirildi.
The regulation was reviewed by various authorities.
This usage of 'makamlarca' shows the attempt of action being performed by authoritative entities.