The phrase "are necessary to regulate" is correct and usable in written English.
It can be used when discussing the importance of certain actions, rules, or measures that need to be implemented for effective regulation.
Example: "The new policies are necessary to regulate the industry and ensure compliance with safety standards."
Alternatives: "are essential for governing" or "are required to manage".
Do you think new rules are necessary to regulate banks' use of them?
The control of capital movements remains a central mandate of the IMF, as outlined in Article 6, Section 3: "Members may exercise such controls as are necessary to regulate international capital movements".
Stringent measures are necessary to regulate both experimental and routine transplantation.
Actions are necessary to regulate the abstraction of groundwater in the area for sustaining rechargeable groundwater aquifers (Shahid and Hazarika 2010).
Stringent measures are necessary to regulate both experimental and routine transplantation (US Food and Drug Administration FDAA) 2001; US Food and Drug Administration FDAA) 2003; US Food and Drug Administration FDAA) 2007).
We demonstrate that AMs are necessary to regulate mucosal sensitization to inhaled allergen.
The complex formed between these regulator and β-catenin in upstream regions is necessary to regulate gene expression of canonical Wnt signaling pathway targets.
Michigan's Republican attorney general argued in a brief filed Sept. 9 that the state's ban on same-sex marriage is necessary to "regulate sexual relationships".
When slowing alternates with rapid acceleration of the heart rate (tachycardia) in sick sinus syndrome or when bradycardia is accompanied by congestive heart failure or other serious complications, an artificial pacemaker may be necessary to regulate the heart rate.
To prevent this unwanted effect, it is necessary to regulate successive deformations.
Therefore a proper control strategy is necessary to regulate the biological model (3).
