Obligation defined.

Nev. Rev. Stat. § 357.024

in effect

Obligation means any established duty, regardless of whether the duty is a fixed duty, arising from: 1. An express or implied contractual relationship; 2. A relationship between a grantor and a grantee; 3. A relationship between a licensor and a licensee; 4. A fee-based or similar relationship; 5. A statute or regulation; or 6. The retention of any overpayment.