X0101 EFFECT 33 LIVE 2021-05-20 17:29:00

N-14

0000027825 DELAWARE GROUP INCOME FUNDS 333-255167 0000027825 DELAWARE GROUP INCOME FUNDS S000003921 DELAWARE CORPORATE BOND FUND C000011001 CLASS A 0000778108 DELAWARE GROUP EQUITY FUNDS IV S000065916 Delaware Investment Grade Fund C000212930 Class A 0000027825 DELAWARE GROUP INCOME FUNDS S000003921 DELAWARE CORPORATE BOND FUND C000011005 INSTITUTIONAL CLASS 0000778108 DELAWARE GROUP EQUITY FUNDS IV S000065916 Delaware Investment Grade Fund C000212932 Institutional Class 0000027825 DELAWARE GROUP INCOME FUNDS S000003921 DELAWARE CORPORATE BOND FUND C000211235 Class R6 0000778108 DELAWARE GROUP EQUITY FUNDS IV S000065916 Delaware Investment Grade Fund C000212931 Class R6 0000027825 DELAWARE GROUP INCOME FUNDS S000003924 DELAWARE HIGH-YIELD OPPORTUNITIES FUND C000011015 CLASS A 0000778108 DELAWARE GROUP EQUITY FUNDS IV S000065925 Delaware Fund for Income C000212958 Class A 0000027825 DELAWARE GROUP INCOME FUNDS S000003924 DELAWARE HIGH-YIELD OPPORTUNITIES FUND C000011019 INSTITUTIONAL CLASS 0000778108 DELAWARE GROUP EQUITY FUNDS IV S000065925 Delaware Fund for Income C000212957 Institutional Class 0000027825 DELAWARE GROUP INCOME FUNDS S000003924 DELAWARE HIGH-YIELD OPPORTUNITIES FUND C000226725 Class R6 0000778108 DELAWARE GROUP EQUITY FUNDS IV S000065925 Delaware Fund for Income C000212956 Class R6