A Deed of Trust is a legal document. A Form 17 will be required, at all times, for spouses, regardless of whether the property is owned jointly, or solely, before we complete the Deed of Trust.You need to get a solicitor to draft a Deed of Trust first to vary the percentages of your beneficial ownership. We can arrange a quote for you, including preparing the legal documentation and creating a deed of trust, plus filing the Form 17 paperwork. This site enables you to interact electronically with the Middlesex North Registry of Deeds. Declaration of Trust: Form 17. This site enables you to interact electronically with the Middlesex South Registry of Deeds. Find and download various legal forms, brochures, and self-help kits. If a form does not open, right-click the link to save it to your computer. Where applicable, the code will link directly to information on the type of probate matter associated with the form.