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This is my first time receiving 1099 usually is it better to wait until atleast march end to see if any such 1099 is being received 2nd time?

I had no idea I would get 1099 corrected unless I requested.

Can you also tell if any wash sale disallowed amount eg $2000 - I pay tax on in this year - is there a way for me to claim/write off that in next tax year.