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Revenue Administrative Bulletin 1988-2

Deficiency Interest Rates

For period July 1, 1988 through December 31, 1988

Approved: April 8, 1988

Note: See most current Interest Rate RAB for the current and historical rates.

RAB-88-2. This Bulletin establishes the annual rate of interest due on a deficiency for the period beginning on July 1, 1988 and ending on December 31, 1988.

A daily rate of interest of .0002650 based on an adjusted annual rate of 9.7% shall be added to a tax deficiency or an excessive claim for the period stated above.

The effective annual rate of 9.7% was established pursuant to Section 23(2) of Act No. 58, P.A. of 1986, at one percentage point above the adjusted prime rate charged by three commercial banks to large businesses.

The following annual and corresponding daily rates of interest are in effect and will accrue on any deficiency due during these periods.

Start Date

End Date

Annual Rate

Daily Rate

October 1, 1967

June 30, 1986

9.0%

.0002466

July 1, 1986

December 31, 1986

10.4%

.0002849

January 1, 1987

June 30, 1987

9.2%

.0002521

July 1, 1987

December 31, 1987

8.5%

.0002329

January 1, 1988

June 30, 1988

9.2%

.0002514

July 1, 1988

December 31, 1988

9.7%

.0002650

Example: Taxpayer A, who is on a calendar year basis, filed an MI-1040 return for 1985 showing tax due of $2,000.00. If the tax is not paid until November 30, 1988, the amount of interest calculated due from April 16, 1986 through November 30, 1988 is as follows:

Start Date of Interest Period

End Date of Interest Period

Number of Days in Interest Period

Daily Interest Rate for Period

Amount of Tax Due on Return

Amount of Interest for Period

April 16, 1986

June 30, 1986

75

.0002466

$2,000

$36.99

July 1, 1986

December 31, 1986

184

.0002849

$2,000

$104.80

January 1, 1987

June 30, 1987

181

.0002521

$2,000

$91.26

July 1, 1987

December 31, 1987

184

.0002329

$2,000

$85.71

January 1, 1988

June 30, 1988

182

.0002514

$2,000

$91.51

July 1, 1988

November 30, 1988

153

.0002650

$2,000

$81.09

Total Interest Due: $491.36