> For the complete documentation index, see [llms.txt](https://help.filed.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.filed.com/reference/products/ai-tax-prep/frequently-asked-questions.md).

# FAQ

## K-1 extraction

### How does Filed AI extract and process K-1 data?

### What exactly does Filed extract from each K-1 type?

### Why does the AI flag a potential K-1 duplication in Pre-Entry Notes?

***

## Editing and reviewing AI work

### Can I edit and review Filed AI's work?

### How do I know what needs checking before the return goes to tax software?

***

## Uploading more documents

### What if I need to upload more documents for a client?

### Should I re-run tax prep after uploading additional documents?

See [Re-running after new documents](/reference/products/ai-tax-prep/rerunning-after-new-documents.md) for what actually happens to the return when you do re-run: new documents fill in blank fields, but fields that already have a value are left alone.

***

## Real estate and multiple properties

### How should I upload real estate tax documents for a client with multiple properties?

### What if the AI flags a duplicate for real estate tax amounts?


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