The amount of marijuana in your possession, your location, and the circumstances of your arrest determine whether it is a state or federal offense. These factors also impact the severity of a federal marijuana sentence.
Getting Paid. If you were approved only for SSDI (Social Security Disability Insurance), your file will then be sent to a payment processing center and you should start to receive payments within a month. If you were approved for SSI, your file stays at the district office.
Regarding how long your benefits will take to commence...this is even more nebulous. If you are approved for benefits, your file will be sent by the Office of Disability Adjudication and Review (ODAR) to a payment processing center.