itonewbie
Level 15

You may like to refer to your state's guidelines.  At the Federal level, tax preparers do not seem to fit into the category of Financial Services, unless you are in public accounting or support one of the following -

Workers who are needed to provide, process, and maintain systems for processing, verification, and recording of financial transactions and services, including payment, clearing, and settlement; wholesale funding; insurance services; consumer and commercial lending; public accounting; and capital markets activities.

https://www.cisa.gov/sites/default/files/publications/ECIW_4.0_Guidance_on_Essential_Critical_Infras...

There was also a discussion from last year when all these first started, which could be helpful to you:

https://proconnect.intuit.com/community/practice-advice/discussion/critical-infrastructure-designati...

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Still an AllStar