Key facts: The SD small estate affidavit applies to estates not exceeding $50,000 in gross value; a mandatory 30-day waiting period must elapse after the decedent's death before filing; the affidavit must be signed under oath and conform to statutory form requirements; it cannot be used if formal probate proceedings have already commenced; claimants assume fiduciary responsibilities for creditor notification and asset preservation; asset transfers through this procedure remain subject to creditor claims for a limited period.