params.rb

def contact_person_params
        params.require(:contact_person).permit(:first_name, :middle_name, :last_name, :phone_number, :title, :initials, :job_description)
end

def account_params
        params.require(:account).permit(:starting_company, :turnover, :company_name, :kvk_number, :btw_number, :phone,
                                        :address_postalcode, :address_housenumber, :address_streetname, :address_city,
                                        :invoice_email_address,
                                        :invoice_address_postalcode, :invoice_address_housenumber,
                                        :invoice_address_streetname, :invoice_address_city)
end

def contract_params
        params.require(:contract).permit(:article_code, :notes, :agree_terms, :agree_order, :date)
end