; or (II) create a new mechanism or index if the Secretary considers it appropriate and necessary to do so. (C) (i) Not less frequently than once every two years, the Secretary shall— (I) adjust the amount under subparagraph (A); or (II) publish a notice in the Federal Register indicating that no adjustment is warranted. (ii) Not later than 30 days before adjusting an amount pursuant to clause (i)(I) or publishing a notice pursuant to clause (i)(II), the Secretary shall notify the Committee on Veterans’ Affairs and the Committee on Appropriations of the Senate and the Committee on Veterans’ Affairs and the Committee on Appropriations of the House of Representatives. (D) The Secretary shall determine a logical schedule for adjustments under this paragraph to take effect so that the amounts for and types of construction projects requested by the Department in the budget of the President under section 1105(a) of title 31 are consistent with the threshold for construction projects as so adjusted. .