Odoo 14 ~ 16 Plugin

I have a "ZATCA Phase One" plugin https://apps.odoo.com/apps/modules/14.0/sh_electronic_pos_qr_saudi/
I need to upgrade it to "Phase Two"


This is the requirement for "Phase One" and "Phase Two"
https://zatca.gov.sa/en/E-Invoicing/Introduction/Guidelines/Documents/E-invoicing_Simplified%20GL.pdf

for more information: https://zatca.gov.sa/en/E-Invoicing/Introduction/FAQ/Pages/default.aspx

Thanks