The website is available -
For the status of your tax refund you will need to contact the third party processor, Santa Barbara Tax Product Group, using their website - https://www.sbtpg.com/
Tax Products Group Contact Information - https://help.sbtpg.com/hc/en-us/articles/230084587-Contact-Information
Been trying to access it says error
With checking today the website appears to be available. Here is the link to check your refund deposit: https://taxpayer.sbtpg.com/login
Please contact the Tax Products Group if you continue to have an issue: https://help.sbtpg.com/hc/en-us/articles/230084587-Contact-Information