28 CFR 202.244: Property; property interest.

The terms property and property interest include money; checks; drafts; bullion; bank deposits; savings accounts; debts; indebtedness; obligations; notes; guarantees; debentures; stocks; bonds; coupons; any other financial instruments; bankers acceptances; mortgages, pledges, liens, or other rights in the nature of security; warehouse receipts, bills of lading, trust receipts, bills of sale, or any other evidences of title, ownership, or indebtedness; letters of credit and any documents relating to any rights or obligations thereunder; powers of attorney; goods; wares; merchandise; chattels; stocks on hand; ships; goods on ships; real estate mortgages; deeds of trust; vendors' sales agreements; land contracts, leaseholds, ground rents, real estate and any other interest therein; options; negotiable instruments; trade acceptances; royalties; book accounts; accounts payable; judgments; patents; trademarks or copyrights; insurance policies; safe deposit boxes and their contents; annuities; pooling agreements; services of any nature whatsoever; contracts of any nature whatsoever; any other property, real, personal, or mixed, tangible or intangible, or interest or interests therein, present, future, or contingent.