Not affiliated with the government
You don't indicate if you'd like to appeal the disability finding, the SSI finding, or both. However, appealing either one may be difficult if the determination was made two years ago.
Current SSA procedures indicate you must appeal the SSI or disability determination within 60 days of the date you receive your determination notice.
You may wish to retain third-party services (ex. a lawyer) to assist you with this.
SSI appeals :
Disability appeals :
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