Allowable fees on a loan is a matter of State law.
I would imagine that's why the poster posted this in a state-specific forum.
I'm not aware of any restriction in Georgia law on you charging a fee over what is actually paid to the state for title application, but as Randy says that increased amount would be a prepaid finance charge and would impact your APR (and MAPR if the borrower is a covered person under MLA). Also, you may want to be careful in how you label that fee so as to not get into a "deceptive" issue.
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Jim Bedsole, CRCM, CBA, CFSA, CAFP
My posts - my opinions