fyllyoTax Forms
Form 1099-B
Proceeds From Broker Transactions
Fyllyo uses local AI to interpret your documents, calculate required answers and fill PDF forms. Review the answers and their sources before saving, without uploading client documents.
A simpler way to prepare a PDF.
Pick a form
Choose a built-in template or set up your own blank fillable PDF once.
Add client documents
Drop in PDFs, scans, photos, Word files or typed notes. The AI reads them on your computer.
Review and save
Check the source lines, confirm key facts and edit the PDF. Uncertain values stay blank and flagged.
Form reference
Before you begin.
Use these notes as a starting point. Check the issuing agency’s current form and instructions for your client’s situation.
Open the source PDFFyllyo helps prepare PDFs. It doesn’t provide legal or tax advice, determine eligibility, or file forms for you.
Preparation: Gather Necessary Documents
Before you start, ensure you have all relevant transaction details such as sales price, cost basis, transaction dates, and whether each transaction is a short-term or long-term gain or loss. These details are crucial for accurately completing Form 1099-B, which will assist in filling out your Schedule D and Form 8949 for tax reporting.
Details worth checking
Correct Copy Selection
Using the wrong copy of Form 1099-B can lead to processing delays and penalties. Copy A is for the IRS, Copy B is for the taxpayer, and Copy 1 is for state tax departments if required. Each copy serves a specific purpose and must be sent to the correct recipient to avoid errors.
Accurate Payer's Information
Incorrect or incomplete payer details can cause the form to be rejected or misdirected, delaying tax processing. This includes verifying the name, address, and telephone number according to USPS standards.
Valid TIN for Payer and Recipient
Entering an incorrect Taxpayer Identification Number (TIN) can result in misidentification and potential fines. Both the payer's and recipient's TINs must be accurately entered and matched with the corresponding names.
Complete Recipient's Information
Missing or incorrect recipient details can lead to processing errors and tax filing issues. This includes the recipient's full name, address, and TIN, accurately and completely entered.
Payer's Telephone Number Inclusion
Omitting the payer's telephone number can hinder communication and delay issue resolution. It's important that this field is filled out with a current and direct number.
Set up your own form once.
Fyllyo’s cloud service prepares a reusable template from your blank fillable PDF and setup instructions. No API key is required. Client documents stay on your computer, and subsequent filling runs locally. Check the first few filled forms carefully.
Mac with M1 or later · 16 GB memory recommended · About 8 GB free disk space