Ключевые слова: 2023, app, application, background, business, close up, computer, declaration, department of the treasury, digital, editorial, euro, europe, european, federal, federal revenue, finance, financial, go, government, hand, hand holds, ho, holds, home page, illustrative, internal revenue service, internet, irs tax, login, official, online, portal, portugal, portuguese, screen, send, smartphone, soon, submit, tax refund, tax return, taxation, taxpayer, technology, user, vat, vat tax, web site,