Property	Name	Type	Description
billTo	Bill To	Object	Details of where the bill has to go to
billTo.address	Bill to address	Object	Address for the bill to
billTo.address.city	Bill to address city	String	City
billTo.address.countryCode	Bill to address country code	String	Country code
billTo.address.houseNumber	Bill to address house number	Integer	House number
billTo.address.houseNumberAdditive	Bill to address house number additive	String	House number additive
billTo.address.postalCode	Bill to address postal code	String	Postal code
billTo.address.street	Bill to address Street	String	Street name
billTo.company	Bill to company	String	Company
billTo.department	Bill to department	String	Department
billTo.email	Bill to e-mail	String	E-mail adress
billTo.firstName	Bill to first name	String	First name
billTo.gender	Bill to gender	Enum	Gender of the billable person (if any)
billTo.genderDisplayValue	Bill to gender display value	Enum	Display value of the gender of the billable person (if any)
billTo.surname	Bill to surname	String	Surname
billTo.middleName	Bill to middle name	String	Middle name
billTo.organisationalUnit	Bill to organizational unit	String	Organizational unit the bill has to go to
billTo.phoneNumber	Bill to phone number	String	Phone number