How do I get a TCC for the IRS fire system?

Could you please clarify for me, what exactly is a TCC in relation to the IRS fire system? Is it a specific type of certification, a code, or perhaps an acronym for a technical component that needs to be obtained for compliance with IRS regulations? Without knowing the full context, it's difficult to provide an accurate response, but generally speaking, when dealing with compliance matters related to the IRS or any other government agency, it's important to carefully review the relevant regulations and guidelines to ensure that all necessary requirements are met. Additionally, it may be helpful to consult with a tax professional or a specialist in the specific area of compliance you're dealing with, as they may have more detailed knowledge and expertise in this area.