---
title: "Fiscal ID: B2B VAT & Tax ID Shopify App Profile"
description: "Business buyers need a valid tax ID on the invoice, but checkout has no field for it unless you are on Plus. Fiscal ID adds one to the cart, thank-you page and customer account, and on Plus to the checkout page too. It validates as the buyer types: EU VAT, check digits for Spain, Argentina, Chile, Peru and Colombia, and 80\\+ countries, with your own label per country. EU and UK VAT numbers and Brazilian CNPJs are checked in the official registry. Each ID is saved to order metafields."
canonical_url: "https://shoplist.co/shopify-apps/fiscal-id-labs"
markdown_url: "https://shoplist.co/shopify-apps/fiscal-id-labs.md"
last_updated: "2026-11-02"
entity_type: "shopify_app"
slug: "fiscal-id-labs"
source: "public Shopify app profile allowlist"
---

# Fiscal ID: B2B VAT & Tax ID Shopify App Profile

> Business buyers need a valid tax ID on the invoice, but checkout has no field for it unless you are on Plus. Fiscal ID adds one to the cart, thank-you page and customer account, and on Plus to the checkout page too. It validates as the buyer types: EU VAT, check digits for Spain, Argentina, Chile, Peru and Colombia, and 80\+ countries, with your own label per country. EU and UK VAT numbers and Brazilian CNPJs are checked in the official registry. Each ID is saved to order metafields.

## Quick answer
Fiscal ID: B2B VAT & Tax ID has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: Fiscal ID: B2B VAT & Tax ID
- Monitoring status: First-adopter watch
- Developer: Fiscal ID Labs
- Developer profile: https://shoplist.co/app-developers/fiscal-id-labs
- Shopify App Store URL: https://apps.shopify.com/fiscal-id
- Website: https://fiscalidlabs.com/
- Launch date: September 18, 2026
- Shoplist category: Cart customization
- Free trial signal: Yes

## Pricing summary
Launch plan: $6.99/month

Shoplist has not yet found reliable public storefront evidence connecting a Shopify store to this app. This does not mean the app has no users. Some apps are new, admin-only, server-side, theme-independent, or otherwise difficult to detect from public storefront signals.


## App Signals
As of November 5, 2026:

- Stores running it: 0, 0.0% of the stores Shoplist tracks
- Store movement, last 28 days: +0 new stores, +0 returning, −0 removed, net 0 (estimated)
- Primary App Store category: Cart customization, #237 (14-day median position)
- Listing reviews: 0

## Public callouts
- Works on Basic, Shopify and Advanced plans. No Shopify Plus needed.
- Check-digit validation for ES, AR, CL, PE, CO, EU VAT and 80\+ more countries.
- Require the ID always, only for invoices, or above an order amount.
- Saved to order and customer metafields any invoicing app can read.
- Orders missing a valid ID are tagged so you fix them before invoicing.
## Shopify App Store categories
- Cart customization

## Data note
Profile updated: November 2, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-11-05 14:20:31.989218\+00
Detection metrics refreshed: 2026-11-05 10:00:00.259874\+00
Public app evidence date: 2026-11-02 06:22:40.87941\+00
This generated Markdown profile intentionally exposes only public, stable app-profile fields and a small public app-stack sample from Shoplist. It excludes private contact data, people data, internal scores, crawl provenance, full datasets, and unstable operational fields.

## Related links
- [HTML app profile](https://shoplist.co/shopify-apps/fiscal-id-labs)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)