The Avalara AvaTax release schedule includes a preview period. During this time,
the latest software is available for integration testing in the AvaTax Sandbox
Environment two weeks before launching
to production. If your engineering team would like a sandbox account for
integration testing purposes:

Development and Solutions Partners
(DSP), contact your business development manager
Avalara customers, contact your
customer account manager or open
a support ticket

Fixes and improvements

SDK enhancements/Bugfixes:

Restructured code / dlls to conform to .NET standards to address issue: #133

AvaTax API Enhancements:

Added new ServiceType:MLT
Added newfield AVTUserBIN at the DocumentLineDetail level.
Fix for filtering in the NexusByTaxType API.

Returns API Enhancements:

Added new power of Attorney Subscription types.

ENVIRONMENT	URL	RELEASE DATE
Sandbox	https://sandbox-rest.avatax.com	2022-08-18
Production	https://rest.avatax.com	2022-08-25