; and (2) the eligible event or events produce significant regional economic development benefits. (d) Cost-Sharing requirement (1) In general The Federal share of the cost of initial construction and operation and maintenance of a project under this section— (A) shall be not more than 50 percent; and (B) may not exceed the limit under section 107(b) of the River and Harbor Act of 1960 ( 33 U.S.C. 577(b) ). (2) Form of non-Federal share The non-Federal share of the cost of activities carried out under this section may be in the form of in-kind contributions. (3) Operation and maintenance The non-Federal interest shall be responsible for 100 percent of the cost to operate and maintain a project under this section after the limit under section 107(b) of the River and Harbor Act of 1960 ( 33 U.S.C. 577(b) ) has been met. 1035. Chesapeake Bay environmental restoration and protection program (a) In general Section 510 of the Water Resources Development Act of 1996 (110 Stat. 3761; 121 Stat. 1202; 128 Stat. 1318) is amended— (1) by redesignating subsection (h) as subsection (i); (2) by inserting after subsection (g) the following: (h) Project cap A project carried out under this section may not have a total cost of more than $15,000,000. ; and (3) in subsection (i) (as so redesignated), by striking $40,000,000 and inserting $90,000,000 . (b) Outreach and training (1) In general The Secretary shall conduct public outreach and workshops for non-Federal interests to provide information on the Chesapeake Bay environmental restoration and protection program under section 510 of the Water Resources Development Act of 1996 (110 Stat. 3761; 121 Stat. 1202