. • https://www.agenziaentrate.gov.it • https://www.oecd.org/content/dam/oecd/en/topics/policy-issue-focus/aeoi/italy-tax-residency.pdf Letónia Personas kods (PK) PVN - Pievienotās vērtības nodoklis 11 dígitos: 999999-99999 Formato: DDMMAA-XXXXX (data de nascimento + número individual de 5 dígitos).