Explanation:

- Order 5, Rule 30: This rule generally pertains to the service of summons and processes, not related to negotiable instruments.

- Order 7, Rule 16: This rule is associated with the procedure for suits and emphasizes verification of documents, such as negotiable instruments. This is the relevant rule for suits on lost negotiable instruments.

- Correct Answer: Order 7, Rule 16

- Order 6, Rule 10: This rule deals with pleadings in general, such as forms and proceedings.

- Order 10, Rule 22: This rule concerns examining parties, ensuring clarity and facts before the court.