(1) Certain other securities are approved for mutual association investment. There is no dollar limit on a mutual association's investment in:
(a) general services administration (participation certificates);
(b) maritime administration (bonds and notes); and
(c) Washington metropolitan area transit authority (bonds).
(2) A mutual association's investment is limited to 50% of capital in:
(a) Asian development bank (bonds and notes);
(b) financing corporation (FICO) (bonds);
(c) Inter-American development bank (bonds);
(d) resolution funding corporation (REFCORP) (bonds);
(e) Tennessee valley authority (TVA) (bonds); and
(f) world bank (bonds and notes).