The excerpt below is from the Deed of Trust.

Grounds for Acceleration of Debt:

(a) Due and Payable. Lender may require payment-in-full of all sums secured by this Security Instrument if:
(i) A Borrower dies and the Property is not the principal residence of at least one surviving Borrower; or
(ii) All of a Borrower’s title in the Property (or his or her beneficial interest in a trust owning all or part of the Property) is sold or otherwise transferred and no other Borrower retains title to the Property in fee simple or retains a leasehold under a lease for not less than 99 years which is renewable or a lease having a remaining period of not less than 50 years beyond the date of the 100th birthday of the youngest Borrower or retains a life estate (or retaining a beneficial interest in a trust with such an interest in the Property); or
(iii) The Property ceases to be the principal residence of a Borrower for reasons other than death and the Property is not the principal residence of at least one other Borrower; or
(iv) For a period of longer than 12 consecutive months, a Borrower fails to occupy the
Property because of physical or mental illness and the Property is not the principal residence of
at least one other Borrower; or
(v) An obligation of the Borrower under this Security Instrument is not performed..
(b) Notice to Lender. Borrower shall notify the Lender whenever any of the events listed in
Paragraph 9(a)(ii)-(v) occur.
(c) Notice to Borrower. Lender shall notify Borrower whenever the loan becomes due and payable under Paragraph 9(a)(ii)-(v). Lender shall not have the right to commence foreclosure until Borrower has had 30 days after notice to either:

(i) Correct the matter which resulted in the Security Instrument coming due and payable; or
(ii) Pay the balance in full; or
(iii) Sell the Property for the lesser of the balance or 95% of the appraised value and apply the net proceeds of the sale toward the balance; or
(iv) Provide the Lender with a deed-in-lieu of foreclosure.
(d) Trusts. Conveyance of a Borrower’s interest in the Property to a trust which meets the requirements of the Secretary, or conveyance of a trust’s interests in the Property to a Borrower, shall not be considered a conveyance for purposes of this Paragraph 9. A trust shall not be considered an a conveyance for purposes of this Paragraph 9. A trust shall not be considered an occupant or be considered as having a principal residence for purposes of this
Paragraph 9.