; (8) Construction For a base level over $2,000,000, reprogramming of 15 percent of the base amount up to a limit of $3,000,000 per project, study or activity is allowed: Provided, That for a base level less than $2,000,000, the reprogramming limit is $300,000: Provided further, That up to $3,000,000 may be reprogrammed for settled contractor claims, changed conditions, or real estate deficiency judgments: Provided further, That up to $300,000 may be reprogrammed into any continuing study or activity that did not receive an appropriation for existing obligations and concomitant administrative expenses; (9) Operation and maintenance Unlimited reprogramming authority is granted for the Corps to be able to respond to emergencies: Provided, That the Chief of Engineers shall notify the Committees on Appropriations of both Houses of Congress of these emergency actions as soon thereafter as practicable: Provided further, That for a base level over $1,000,000, reprogramming of 15 percent of the base amount up to a limit of $5,000,000 per project, study, or activity is allowed: Provided further, That for a base level less than $1,000,000, the reprogramming limit is $150,000: Provided further, That $150,000 may be reprogrammed into any continuing study or activity that did not receive an appropriation; (10) Mississippi river and tributaries The reprogramming guidelines in paragraphs (6), (8), and (9) shall apply to the Investigations, Construction, and Operation and Maintenance portions of the Mississippi River and Tributaries Account, respectively