The <PayeeAddress> element is a child element of the <CheckPayment> element. The <PayeeAddress> element is the third element under the <CheckPayment> element and is an optional element.
The <PayeeAddress> element contains 1 child element and has a sequence content model. The sequence content model means that there is a particular order to the children elements of the parent element - in this case, the <PayeeAddress> element has a particular order of elements that must be followed.