Key facts: Montana small estate affidavits require a 30-day waiting period after death before the affidavit can be used; estates must not exceed $50,000 in gross value; the affidavit must be executed under oath by a qualified heir or beneficiary; real property transfers may have additional requirements; claimants assume personal liability for material misrepresentations in the affidavit; certain assets like beneficiary-designated accounts pass outside probate and do not require the affidavit.