Marketers are required to use GTIS to make their monthly nominations.
If you need access established for the GTIS please contact: Catherine.wunsch@nationalgrid.com for downstate NY (KEDNY) and LI (KEDLI), and Nancy.Andrews@nationalgrid.com for downstate NY (KEDNY) and LI (KEDLI).
GTIS LINK https://gtis.nationalgridus.com/NotAuthorized.aspx?msg=2
These links may help you find an answer to your question. Or you can browse our help topics.