can you help me answer the given statements by identifying which function or prohibited practice is being referred to:

1. A contract of the corporation with one or more of its directors or trustees or officers.
2. If provided in the by-laws, in no case should it exceed 10% of the net income after income tax of the corporation during the preceding year.
3. A director, by virtue of his office, acquires for himself a business opportunity which should belong to the corporation, thus obtaining profits to the prejudice of such corporation, he must account to latter for all such profits by refunding them.
4. A body created by the by-laws, composed of not less than three members of the board which, subject to statutory limitations, has all the authority of the board of directors to the extent provided in the by-laws.
5. If, within 5 years prior to the election or appointment as such, the person was convicted by final judgment of an offense punishable by imprisonment for a period exceeding 6 years.
6. Required upon the directors or trustees to elect immediately after their own election.
7. Elected by the stockholders or members periodically, who are charged with the management of the corporation.
8. Ownership of at least one (1) share of the capital stock of the corporation in his own name.
9. Such power lodged with the stockholders or members which can exercised with or without cause.
10. Such number to be met for the transaction of corporate business and every decision of at least a majority of the directors or trustees present at the meeting.
11. Methods which may be adopted by the stockholders in electing their board of directors.
12. Members of the board of directors in a certain corporation who are also directors in another corporation.
13. Act of stockholders in approving a director's violation of the doctrine of corporate opportunity by Vote of at least two-thirds (2/3) of the outstanding capital stock.
14. Contract entered into by the board of directors or trustees, or corporate officers that are within The scope of the powers of the corporation as provided in its charter.
15. Act which the executive committee cannot undertake since it requires the approval of the stockholders.