Any other law to the contrary notwithstanding, a public official or a public employee may receive, obtain, or otherwise convert to personal use a bonus that is incidental to travel in the performance of official duties of the public official or public employee if the bonus is individual in nature and not able to be transferred to another unrelated individual or to the state, or a county, municipality, or governmental entity. This section is declaratory of and does not constitute a change in existing law.