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Get your taxes done using TurboTax
The PO Box is the preferred address for Form 3520. However, private delivery services will not all deliver to USPS post office boxes.
For filers who cannot send to a USPS PO Box or wish to use a courier service (UPS, DHL, etc.) they will use the street address provided above.
@Darenl
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‎April 11, 2024
5:33 PM