It is possible to have a VAT-number but no membership to the Chamber of Commerce. This come in handy if, for example, you rent out a vacation home so you can deduct the VAT on costs spent on maintenance of said vacation home. In this case a membership to the Chamber of Commerce is not necessary.
Don't panic! If this describes your situation, you can just enter your VAT-number in your E-Flux by Road account. Based on this information we will compose your reimbursement invoice wíth VAT. The billing invoice will always contain VAT, regardless of whether or not you're VAT liable. E-Flux by Road's billing invoice will always contain VAT, since E-Flux by Road is an operating business.