https://www.tax.ny.gov/pit/efile/partneridx.htm
The annual filing fee is due by March 15. (There is no extension of time to file Form IT-204-LL or ...
https://www.tax.ny.gov/pit/efile/annual_filing_fee.htm
You probably want to file the paper form since there is no way to e-file by the deadline: https://www.tax.ny.gov/pdf/current_forms/it/it204ll_fill_in.pdf
