The CRA Q&As give a few specific examples of things that qualify, like investments in CDFIs, NMTC, low-income housing tax credits, SBICs, RBICs, as long as geo requirements are met. See Q&A ___ .12(t)-4
for CD Loans, look at ___ .12(h) - 1, and for CD services look at .12(i) - 3.