Exhibit 31
Certification

I, Douglas O. Hart, certify that:

1. I have reviewed this annual report on Form 10-K, and all reports on Form 8-K
containing distribution or servicing reports filed in respect of periods
included in the year covered by this annual report, of the MBNA Master Credit
Card Trust II;

2. Based on my knowledge, the information in these reports, taken as a whole,
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 as of the
last day of the period covered by this annual report;

3. Based on my knowledge, the distribution or servicing information required to
be provided to the trustee by the servicer under the pooling and servicing, or
similar, agreement, for inclusion in these reports is included in these reports;

4. I am responsible for reviewing the activities performed by the servicer under
the pooling and servicing, or similar, agreement, and based upon my knowledge
and the annual compliance review required under that agreement, and except as
disclosed in the reports, the servicer has fulfilled its obligations under that
servicing agreement; and

5. The reports disclose all significant deficiencies relating to the servicer's
compliance with the minimum servicing standards based upon the report provided
by an independent public accountant, after conducting a review in compliance
with the Uniform Single Attestation Program for Mortgage Bankers or similar
procedure, as set forth in the pooling and servicing, or similar, agreement,
that is included in these reports.

Date: September 21, 2004


/s/ Douglas O. Hart
Douglas O. Hart
Senior Executive Vice President