EXHIBIT 99.CERT
CERTIFICATION
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I, Jude T. Driscoll, certify that:
1. I have reviewed this report on Form N-CSR of Delaware Investments Minnesota
Municipal Income Fund III, Inc.;
2. Based on my knowledge, this report does not contain any untrue statement of
a material fact or omit to state a material fact necessary to make the
statements made, in light of the circumstances under which such statements
were made, not misleading with respect to the period covered by this
report;
3. Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material
respects the financial condition, results of operations, changes in net
assets, and cash flows (if the financial statements are required to include
a statement of cash flows) of the registrant as of, and for, the periods
presented in this report;
4. The registrant's other certifying officer(s) and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined
in rule 30a-3(c) under the Investment Company Act of 1940) for the
registrant and have:
(a) designed such disclosure controls and procedures, or caused such
disclosure controls and procedures to be designed under our
supervision, to ensure that material information relating to the
registrant, including its consolidated subsidiaries, is made
known to us by others within those entities, particularly during
the period in which this report is being prepared;
(b) evaluated the effectiveness of the registrant's disclosure
controls and procedures and presented in this report our
conclusions about the effectiveness of the disclosure controls
and procedures, as of a date within 90 days prior to the filing
date of this report based on such evaluation; and
(c) disclosed in this report any change in the registrant's internal
control over financial reporting that occurred during the
registrant's most recent fiscal half-year (the registrant's
second fiscal half-year in the case of an annual report) that
has materially affected, or is reasonably likely to materially
affect, the registrant's internal control over financial
reporting; and
5. The registrant's other certifying officer(s) and I have disclosed to the
registrant's auditors and the audit committee of the registrant's board of
directors (or persons performing the equivalent functions):
(a) all significant deficiencies and material weaknesses in the
design or operation of internal control over financial reporting
which are reasonably likely to adversely affect the registrant's
ability to record, process, summarize, and report financial
information; and
(b) any fraud, whether or not material, that involves management or
other employees who have a significant role in the registrant's
internal control over financial reporting.
Date: 6/3/04
JUDE T. DRISCOLL
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By: Jude T. Driscoll
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Title: Chairman
CERTIFICATION
-------------
I, Joseph H. Hastings, certify that:
1. I have reviewed this report on Form N-CSR of Delaware Investments Minnesota
Municipal Income Fund III, Inc.;
2. Based on my knowledge, this report does not contain any untrue statement of
a material fact or omit to state a material fact necessary to make the
statements made, in light of the circumstances under which such statements
were made, not misleading with respect to the period covered by this
report;
3. Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material
respects the financial condition, results of operations, changes in net
assets, and cash flows (if the financial statements are required to include
a statement of cash flows) of the registrant as of, and for, the periods
presented in this report;
4. The registrant's other certifying officer(s) and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined
in rule 30a-3(c) under the Investment Company Act of 1940) for the
registrant and have:
(a) designed such disclosure controls and procedures, or caused such
disclosure controls and procedures to be designed under our
supervision, to ensure that material information relating to the
registrant, including its consolidated subsidiaries, is made
known to us by others within those entities, particularly during
the period in which this report is being prepared;
(b) evaluated the effectiveness of the registrant's disclosure
controls and procedures and presented in this report our
conclusions about the effectiveness of the disclosure controls
and procedures, as of a date within 90 days prior to the filing
date of this report based on such evaluation; and
(c) disclosed in this report any change in the registrant's internal
control over financial reporting that occurred during the
registrant's most recent fiscal half-year (the registrant's
second fiscal half-year in the case of an annual report) that
has materially affected, or is reasonably likely to materially
affect, the registrant's internal control over financial
reporting; and
5. The registrant's other certifying officer(s) and I have disclosed to the
registrant's auditors and the audit committee of the registrant's board of
directors (or persons performing the equivalent functions):
(a) all significant deficiencies and material weaknesses in the
design or operation of internal control over financial reporting
which are reasonably likely to adversely affect the registrant's
ability to record, process, summarize, and report financial
information; and
(b) any fraud, whether or not material, that involves management or
other employees who have a significant role in the registrant's
internal control over financial reporting.
Date: 6/3/04
JOSEPH H. HASTINGS
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By: Joseph H. Hastings
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Title: Chief Financial Officer