Processing of transactions, also on a transnational basis, review of VAT procedures and procedures relating to the taxation/deduction of positive and negative income components, analysis of compliance with Italian legislation, EU directives and international and customs rules, consultancy on the VAT classification of intra-community transactions, invoicing and electronic archiving, group VAT, separation of activities, VAT deduction in the presence of tax-exempt/non-taxable transactions, management of permanent establishments abroad, royalties, patent boxes, tax credits, VAT refunds in Italy and in the EU, fill in and send,