Last update: January 2010
This page shows you how to review the amount of a maintenance allowance when the judgement or court order states that the allowance is indexed to consumer prices, as is generally the case.
Before starting your calculations, read the judgement or court order to check whether the allowance is indexed and, if it is, which consumer price index and which reference date to use.
The responsibility of INSEE may not be engaged by the application of the formulae displayed on this page.
You will only find practical advice on calculations here.
You can consult:
The judgement or court order specifies the price index you should use for indexation of the allowance.
A review of the allowance amount consists in multiplying the old amount by the difference
in the price index between two dates.
This difference is obtained by means of the ratio between two values of the index.
The way to calculate it is as follows:
| Allowance amount currently paid |
X |
New monthly index |
= |
Revised allowance amount |
| Old monthly index |
Example
A maintenance allowance awarded by a judgement of June, 5, 2005 comes to 300 euros. Its review is index-linked to the
"All households, excluding tobacco" consumer price index. The allowance is to be revised on January 1 of each year
against the last known index on that date.
The allowance amount paid in 2008 was 313.28 euros per month. The last "All households, excluding tobacco" consumer price index known on January 1, 2008 was the November 2007 index published in the Official Journal of 12/15/2007, at 116.02.
The last known index on January 1, 2009 is that of November 2008, published in the Official Journal of 12/19/2008, at 117.92.
NB: to find these indices you should consult the table on the "Indices for maintenance allowance reviews" page, an extract of which is shown below.
| Period | Series excluding tobacco Urban households headed by manual or clerical payroll worker |
Series excluding tobacco All households |
Date of publication In Journal Officiel |
|---|---|---|---|
| November 2009 | 118.29 | 118.31 | 12/23/2009 |
| October 2009 | 118.22 | 118.23 | 11/18/2009 |
| ... | ... | ... | ... |
| January 2009 | 117.18 | 117.13 | 02/22/2009 |
| December 2008 | 117.65 | 117.63 | 02/11/2009 |
| November 2008 | 117.90 | 117.92 | 12/19/2008 |
| October 2008 | 118.42 | 118.49 | 11/16/2008 |
| September 2008 | 118.44 | 118.56 | 10/16/2008 |
| ... | ... | ... | ... |
| January 2008 | 116.25 | 116.32 | 02/23/2008 |
| December 2007 | 116.36 | 116.46 | 01/17/2008 |
| November 2007 | 115.93 | 116.02 | 12/15/2007 |
| October 2007 | 115.36 | 115.37 | 11/16/2007 |
| ... | ... | ... | ... |
To evaluate the maintenance allowance amount on January 1, 2009, calculate as follows:
|
313.28 euros |
X |
117.92 |
= |
318.41 euros |
| 116.02 |
The maintenance allowance amount on January 1, 2009 revised from January 1, 2008 is 318.41 euros.
Example
A maintenance allowance awarded by a judgement of May 10, 2008 comes to 310 euros. It is index-linked
to the "Urban households headed by a manual or clerical worker, excluding tobacco" price index and is to be reviewed
on January 1 of each year using the last known index on that date.
The last "Urban households headed by a manual or clerical worker, excluding tobacco" price index known on May 10, 2008 is that of March 2008 published in the JO of 04/18/2008, at 117.35.
The last index known on January 1, 2009 is that of November 2008, published in the JO of 12/19/2008, at 117.90.
To evaluate the maintenance allowance amount on January 1, 2009, calculates as follows:
|
310 euros |
X |
117.90 |
= |
311.45 euros |
| 117.35 |
The maintenance allowance amount on January 1, 2009 revised from May 2008 is 311.45 euros.
In order to take economic developments into account, from time to time INSEE revises the index reference base of the consumer price index. The current base is the 100 base in 1998, in other words the index was equal to 100 in 1998.
To review an allowance, in the calculation formula you must always use indices that use the same base year. The indices for bases prior to 1998 can be downloaded from the "Indices to review maintenance allowances" page.
When an allowance has not been reviewed since 1998, you should follow 2 steps.
Example
A monthly maintenance allowance awarded by a judgement of July 2, 1994 comes to 1 800 FF.
Its review is index-linked to the "All households, excluding tobacco" consumer price index. The allowance is to
be revised on the anniversary date of the judgement, against the last known index on that date.
The last known index on July 2, 1994 is that of May 1994 published in the JO of 06/25/1994, at 109.1. The last known index on July 2, 1998 is that of May 1998 published in the JO of 06/27/1998, at 115.1.
The calculation is as follows:
|
1 800 F |
X |
115.1 |
= |
1 898.99 F (289.49 euros) (*) |
| 109,1 |
(*) 1 euro = 6.55957 francs.
The base 100 in 1998 index of May 1998 is 100.2. The last known index on July 2, 2009 is that of May 2009 published in the JO of 06/14/2009, at 118.18.
The calculation is as follows:
|
289.49 euros |
X |
118.18 |
= |
341.44 euros |
| 100.2 |
The allowance amount revised in July 2009 against July 1994 is 341.44 euros.
Consumer price index also available: