Search and forum pattern
Queries cluster around “mail merge PDF tax extension” and “7004 for multiple LLCs.” The pain is identical structure, different identifiers—classic batch form filling.
How Autofiller helps
Prepare a spreadsheet with one row per entity and columns for every box you must populate. Use the fillable 7004 (or your state equivalent) as the single template. After mapping, download the ZIP and route files into your e-file or client portal workflow.
Compliance reminder
Verify payment and e-file acknowledgments through your normal software. This tool only produces PDFs; it does not transmit to the IRS.