File Oklahoma Form 599
Prepare Oklahoma Form 599 now with e-File.com
E-Filing Options: e-File.com - TaxAct
This form can be used by individuals to request a copy of one or more Oklahoma income tax returns. Individuals must specify on Oklahoma Form 599 the exact type of return that is being requested as well as the tax year. If more than one type of return is being requested, individuals must file an additional Form 599.