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A tax preparation engagement letter is a contract between a tax preparer (CPA, EA, or tax firm) and their client. It defines the scope of services, fees, responsibilities, and authorizes the preparer to file returns on behalf of the client.
This engagement letter references IRS Form 8879 (e-File Signature Authorization) and includes authorization for electronic filing. The actual Form 8879 should be signed separately before e-filing each return.
Yes, engagement letters can be legally signed with electronic signatures. CanUSign provides a full audit trail with timestamps and IP addresses. Note that IRS Form 8879 has specific signature requirements.