(b) Only the following subjects may be discussed in an executive session:
- (1) matters, the immediate knowledge of which would clearly have an adverse effect upon the finances of the corporation;
- (2) unless the person has requested to have the subjects discussed in public, subjects that tend to prejudice the reputation and character of a person;
- (3) matters that, by law or municipal charter or ordinance, are permitted to be kept confidential from public disclosure;
- (4) matters pertaining to personnel;
- (5) matters pertaining to the corporation's legal position;
- (6) land acquisition or disposal; and
- (7) proprietary or other information of a type treated as confidential under the standards and practices of the United States Surface Transportation Board, including practices that protect information associated with specific shippers, divisions, and contract rate agreements.