The feature allows you to import client source documents into Lacerte. Here is an article that explains. https://proconnect.intuit.com/lacerte/integrations/tax-import/
There is a per charge or an unlimited feature.
https://proconnect.intuit.com/community/individual/help/importing-scanned-source-documents-with-lace...
Unlimited: $1,819
Individual: $11
