Participation in the cost of living is calculated from the income plan and therefore it is important that the income plan is correct. At the beginning of each year the Social Insurance Administration proposes a income plan, the basis of which is the cash payment and the last tax return. It is important to review the income plan to see if it is in accordance with actual income. If you think you are paying too much in the cost of living, it is necessary to check whether income is correctly recorded in the income plan and change if necessary on My Pages TR.