Complete the form below to become a CJA E-Commerce member. Annual membership dues start at $649.00 + TAX for businesses with 1-9 fulltime employees. Annual membership dues for businesses with 10-19 fulltime employees are $1449.00 +TAX, with 20-29 fulltime employees are $2049.00 + TAX, and with 30+ employees are $2849.00 + TAX. Intended for retailers that process the majority of their sales through an online store.