The following act  governs the activity of the Chamber System in Romania:
The Law of Romanian Chambers of Commerce – Law 335/2007 (available only in Romanian)

The Law.39/2011 – amending The Law of Romanian Chambers of Commerce no. 335/2007 and complete art. 51 ^ 1 of Law no. 26/1990 (available only in Romanian)

And these are the acts by which organizes and operates Chamber System in Romania:
National Chamber Status (available only in Romanian)
County Chambers Status (available only in Romanian)

Framework Regulation of organization and functioning of the National Committees of the House (available only in Romanian)

Visit any of the links above to view the .pdf document you are looking fore.