A trustee may borrow money, and mortgage or otherwise encumber or pledge trust assets, for a term within or extending beyond the term of his trust, in connection with the exercise of any power vested in himself. Source: SL 1979, ch 336 , § 23.
Borrowing money against trust assets
SDCL § 55-1A-23 — under TRUSTEES' POWERS.
SDCL § 55-1A-23