For the record, the module invoice_fiscal_position_update https://github.com/OCA/account-invoicing/blob/7.0/invoice_fiscal_position_update/__openerp__.py should do the job
For the record, the module invoice_ fiscal_ position_ update /github. com/OCA/ account- invoicing/ blob/7. 0/invoice_ fiscal_ position_ update/ __openerp_ _.py
https:/
should do the job