Attaché 18.3 (October 2018) is the last major upgrade required for payday filing. This upgrade tightly integrates with Attaché Online which provides the data link to Inland Revenue (IR). Once Attaché 18.3 has been installed, if further payday filing updates eventuate, your system administrators under direction from your Attaché consultant will be able to install.
More about Attaché 18
Attaché 18 also delivers a new-look desktop and menu style as well as many other new and improved features (see What's new in Attaché 18).