The following Act & Rules has been followed by Weights & Measures Department in its functioning :
- The Legal Metrology Act, 2009.
- The Legal Metrology (Packaged Commodities) Rules, 2011.
- The Legal Metrology (General) Rules, 2011.
- The Legal Metrology (Approval of Models) Rules, 2011.
- The Delhi Legal Metrology (Enforcement) Rules 2011.
- The Legal Metrology (National Standards) Rules, 2011.
- The Legal Metrology (Numeration) Rules, 2011.
- The Indian Institute of Legal Metrology Rules, 2011.
- The Legal Metrology (Govt. Approved Test Centre) Rules 2013