Avalara-Certified Sales Tax & VAT Engine Connector for Business Central

核心功能

Real-time AvaTax rate determination on sales and purchase posting via AL event subscribers on the posting codeunits

CreateTransaction payload built from document lines, item tax codes and ship-from/ship-to addresses, written back as line-level tax before GL posting

Address validation against Avalara's address API on customer and vendor cards, with one-click correction

Exemption certificate / entity-use code handling mapped to BC customers and document lines

Multi-jurisdiction nexus and registration mapping covering US/Canada sales & use tax, EU/UK VAT and GST across 75+ countries

Commit / void / credit synchronization so posted, voided and credit-memo documents stay reconciled in AvaTax

Return-file data export feeding Avalara Returns or your filing process from posted VAT/tax entries

AvaTax setup page with account ID, license key and company code stored in BC isolated storage

Job queue entry for resilient calls — automatic retry, timeout handling and graceful fallback to BC native tax

Dedicated permission set scoping tax setup, posting and reconciliation roles

Per-tenant extension install (no source lock-in) recompiled and revalidated against each BC major release

Sandbox-first cutover with reconciliation reports comparing AvaTax output against BC native VAT/tax posting

按需定制，全程代劳

无需自行搭建——由 ECOSIRE 构建、安装并提供支持的可用应用。

您下单

以一次性构建价格开始。我们在启动时与您共同确定范围。

我们构建与安装

ECOSIRE 在您的 Dynamics 365 Business Central 上构建、配置并安装。

上线 + 支持

约 2–4 周内上线，并提供上线后的支持期。

关于此产品

This is a build-to-order Business Central extension, not an instant AppSource download. ECOSIRE builds it in AL, installs it as a per-tenant extension on your Business Central environment (SaaS Online or on-prem), and supports it after go-live.

The connector wires Avalara's AvaTax determination engine directly into the BC posting pipeline. Using AL event subscribers on the sales and purchase posting codeunits (OnBeforePostSalesDoc, OnAfterReleaseSalesDoc and related publishers), it intercepts documents before they post, builds an AvaTax CreateTransaction payload from the document lines, ship-from/ship-to addresses and tax codes, and writes the returned line-level tax back onto the document — so the GL, customer ledger and VAT entries reflect Avalara's real-time rate determination across 75+ countries (US/Canada sales & use tax, EU/UK VAT, GST and more).

We add table and page extensions for AvaTax tax codes, entity-use (exemption) codes and nexus/registration mapping, a setup page holding the AvaTax account ID, license key and company code (license stored via BC's isolated storage), and a permission set scoping who can post and reconcile tax. Address validation runs against Avalara's address API on customer/vendor cards. Calls are made through BC's HTTP client to the AvaTax REST endpoint, with a job queue entry for retry, batch commit (commit/void on posting and credit) and return-file data export.

Because it is your own per-tenant extension, the source is yours, it survives BC major upgrades (we recompile against each release), and there is no shared multi-tenant black box. You bring the Avalara account; we deliver the certified-pattern integration, deploy it, and validate it against real posting scenarios in a sandbox before production cutover.

你得到什么

Per-tenant AL extension (.app) installed on your Business Central sandbox and production environments

Full AL source code, transferred to your repository — you own it

AvaTax setup page, table/page extensions and permission set configured to your jurisdictions

Job queue setup for retry/batch processing and scheduled return-file export

Sandbox validation run with a reconciliation report (AvaTax vs BC native tax) signed off before cutover

Deployment runbook, configuration guide and post-go-live support window

这是给谁的

Finance / Tax Manager

Owns multi-jurisdiction VAT, GST and US sales & use tax accuracy and wants determination to happen automatically at posting instead of via spreadsheets and manual rate lookups.

Business Central Administrator

Needs the integration installed as a clean per-tenant extension with proper permission sets and job queue setup, and that survives BC's twice-yearly major upgrades.

Controller / CFO at a cross-border seller

Sells into the US, EU, UK and beyond and needs audit-ready, jurisdiction-correct tax on every invoice plus clean return-file data for Avalara Returns.

Avalara-Certified Sales Tax & VAT Engine Connector for Business Central 如何比较

标准	伊科西尔	定制建造	竞争对手
Real-time AvaTax determination inside BC document posting	包含	部分支持	包含
Address validation against Avalara's address API	包含	部分支持	包含
Exemption certificate / entity-use code handling	包含	部分支持	包含
Multi-jurisdiction nexus across 75+ countries	包含	部分支持	包含
Return-file data export for Avalara Returns	包含	部分支持	包含
Full AL source code ownership, no vendor lock-in	包含	包含	不包括在内
Built, installed and supported for you on your environment	包含	不包括在内	部分支持
Tailored to your jurisdictions and tax-code mapping	包含	包含	部分支持

关于Avalara-Certified Sales Tax & VAT Engine Connector for Business Central的常见问题

Is this an instant AppSource download?

No. This is a build-to-order extension. ECOSIRE builds it in AL to fit your jurisdictions and tax-code mapping, then installs it as a per-tenant extension on your Business Central environment. You receive the full source code.

What is the delivery lead time?

Typical delivery is around 2 to 4 weeks depending on the number of jurisdictions, your exemption-certificate rules and how many document types need coverage. We start in a sandbox, validate against real posting scenarios, and only then cut over to production.

How does ongoing support and updates work?

Business Central ships major releases twice a year. We recompile and revalidate the extension against each release so it keeps working, and provide a post-go-live support window for fixes and configuration changes. Extended support and enhancement retainers are available.

Do I need my own Avalara AvaTax account?

Yes. You provide the AvaTax account ID, license key and company code from your own Avalara subscription. We securely store the credentials in BC isolated storage and wire the determination, commit/void and address-validation calls through to your account.

Will it work on Business Central SaaS (cloud) and on-premises?

Yes. The extension uses supported AL patterns — event subscribers, the HTTP client and the job queue — so it installs as a per-tenant extension on BC Online (SaaS) and on supported on-premises versions. We confirm your version and environment during scoping.