To verify your account for payouts, you will have to enter your company number given you by your state authority (given to each company in Europe). This number has various names and patterns in each member state country, please find the information below:

​Austria: Firmenbuchnummer, 2 letters + 6 numbers + 1 letter (LL XXXXXX L)  
​Belgium: Numéro d'entreprise/Vestigingseenheidsnummer, 10 numbers (XXXX.XXX.XXX)  
​Bulgaria: ЕИК (EIK)/ПИК (PIK)/(UIC/PIC), 9 numbers (XXXXXXXXX)  
​Croatia: Matični broj poslovnog subjekta (MBS), 11 numbers (XXXXXXXXXXX)  
​Cyprus: Αριθμός Μητρώου Εταιρίας Şirket kayıt numarası, 2 letters + 6 numbers (HEXXXXXX)  
​Czech Republic: Identifikační číslo, 8 numbers (XXX XX XXX)  
​Denmark: CVR-nummer, 8 numbers (XXX XX XXX)  
​Estonia: Registrikood, 8 numbers (XXX XX XXX)  
​Finland: Y-tunnus/FO-nummer, 8 numbers (XXX XX XXX)  
​France: Numéro SIREN ou SIRET, 9 numbers (XXX XXX XXX) ou 14 numbers (XXX XXX XXX XXX XX)  
​Germany: Nummer der Firma/Registernummer, 2-3 letters + 6 numbers (LLXXXXXX)
​Greece: τον Αριθμό Γενικού Εμπορικού Μητρώου τον Αριθμό Φορολογικού Μητρώου (Α.Φ.Μ.), 12 numbers (XXXXXXXXXXXX)  
​Hungary: Cégjegyzékszáma, 2 letters + 10 numbers (LLXX-XX-XXXXXX)  
​Ireland: Company Number, 6 numbers (XXXXXX)  
​Iceland: TIN, 10 numbers (XXXXXXXXXX)  
​Italy: Codice fiscale, 11 numbers (XXXXXXXXXXX)  
​Latvia: Reģistrācijas numurs, 11 numbers (XXXXXXXXXXX)  
​Liechtenstein: UID, 3 letters + 9 numbers (LLL XXX XXX XXX)  
​Lithuania: Juridinio asmens kodas, 9 numbers (XXXXXXXXX)  
​Luxembourg: Numéro d'immatriculation, 1 letter + 6 numbers (L XXXXXX)  
​Malta: Registration Number, 1 letter + 5 numbers (L XXXXX)  
​Netherlands: KvK-nummer, 8 numbers (XXX XX XXX)  
​Norway: TIN, 11 numbers (XXX XXX XXX XX)  
​Poland: Numer w Krajowym Rejestrze Sądowym (numer KRS), 8 numbers (XXX XX XXX)
​Portugal: Número de Identificação Pessoa Coletiva (NIPC), 9 numbers (XXXXXXXXX)
​Romania: Număr de ordine în Registrul Comerţului, 8 numbers (XXX XX XXX)  
​Slovakia: Identifikačného čísla/Identification number, 8 numbers (XXX XX XXX)
​Slovenia: Matična številka, 10 numbers (XXXXXXXXXX)  
​Spain: Número de identificación fiscal (NIF), 1 letter + 8 numbers (L-XX.XXX.XXX)
​Sweden: Registreringsnummer, 10 numbers (XXXXXXXXXX)
​Switzerland: UID, 9 numbers (XXXXXXXXX)
​United Kingdom: Company Number/Registration Number, 8 numbers (XXXXXXX)
​Scotland/Wales: Company Number/Registration Number, 2 letters + 6 numbers (LLXXXXXX) 

Canada: your company registration number should be indicated in your business registry documentation.
​South Africa: your company registration number should be indicated in your business registry documentation.
​Australia: your company registration number should be indicated in your business registry documentation.