and you probably also need some business information:
please check the company name
company name is required
company name cannot exceed 28 characters
please enter a valid KVK-nummer, consisting of 8 digits
KVK-nummer is required
KVK-nummer cannot exceed 8 characters
please enter a valid Dutch btw-id, staring with 'NL' (e.g., NL123456789B01)
btw-id is required unless you do not have one
btw-id cannot exceed 14 characters
would you mind sending the invoices here?
please check the invoice email address
invoice email address is required
invoice email address cannot exceed 64 characters
we’ll send the invoice as PDF file and not by post
please check if the address is correct and contains a house number (e.g., 'Streetname 1')
street name and house number are required
street name and house number cannot exceed 64 characters
the postal code may only contain four digits, a space and two letters
postal code is required
postal code cannot exceed 7 characters
city cannot contain special characters or numbers
city is required
city cannot exceed 30 characters
phone number must have format +31XXXXXXXX and may only contain the '+' symbol and digits
phone number is required
phone number is too long; check the number and make sure there are no spaces between the digits