(a) In general Except as provided in subsections (b) and (c) of this section, any regulated financial institution with aggregate assets of not more than $250,000,000 shall be subject to routine examination under this chapter
(1) not more than once every 60 months for an institution that has achieved a rating of outstanding record of meeting community credit needs at its most recent examination under section
2903 of this title;
(2) not more than once every 48 months for an institution that has received a rating of satisfactory record of meeting community credit needs at its most recent examination under section
2903 of this title; and
(3) as deemed necessary by the appropriate Federal financial supervisory agency, for an institution that has received a rating of less than satisfactory record of meeting community credit needs at its most recent examination under section
2903 of this title.