(a) in relation to a designated or formerly designated mortgage credit institution, means mortgage credit assets, cover assets hedge contracts or substitution assets that are held in a cover assets pool maintained by the institution,
(b) in relation to a designated or formerly designated public credit institution, means public credit assets, cover assets hedge contracts or substitution assets that are held in a cover assets pool maintained by the institution, and
(c) in relation to a designated or formerly designated commercial mortgage credit institution, means commercial mortgage credit assets, cover assets hedge contracts or substitution assets that are held in a cover assets pool maintained by the institution