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Thank you @IntuitGabi 

To access the "Electronic Filing Information Worksheet" you need to search for "EF Info Wks" to take you to it.

Scroll down to the bottom of the 'EF Info Wks' until you see:

These forms are not supported in ProSeries. You may print a completed form to mail with your Form 8453, please check the applicable box(es).

Form 8864, attach the Certificate for Biodiesel ..................... [ X ]    (Mark the box with an X.)

Then use the "QuickZoom to Form 8453" to access Form 8453.

The Form 8453 is now activated.  Name and address fields are populated.  Scroll down to:

[ X ]  Form 8864 - appropriate certificates and, if applicable, the appropriate reseller statements for biodiesel, renewable diesel, and sustainable aviation fuel claims  (Mark the box with an X.)