Menu Path: Accounting > Maintenance > Configuration > Edit Financial Year and Period Click on the Edit Financial Year and Period button.
Set tax filing cycle to lock by choosing the option available from the Drop down menu, example 2017-01-01 until 2017-01-31. (refer to the image below) Once done, click on "Update" then proceed to create the Supplier Invoice Create. 
Menu Path: Supplier > Supplier Invoice > Supplier Invoice Create 
This are the main interface that the user will be seeing when the user is creating Supplier Invoice Create. 
This image below shows the error message that the user will be seeing if the user have choose any dates that falls between the locked filling cycle. Therefore this shows that the permission was not granted. 
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