Rediscount 

This is discounting debts and receivables of unexpired bills to real values on the valuation date. If bill receivables are subjected to rediscount, bill of debt shall be subjected to rediscount.
It is possible to document outstanding debts in the receivable accounts and rediscount these debts; if this process is done, applying the same procedure to the bill payables is a statutory obligation.

Provisions for Doubtful Receivables

For doubtful receivables, provisions with the saving value of the valuation day shall be allocated when the receivables became doubtful. 
If there is a lawsuit for doubtful receivables, these are considered as expenses by writing down provisional expenses for the related year.
According to the latest amendment, the doubtful receivables that do not require lawsuit and enforcement stage is determined as 3,000TL.
If the provisions for doubtful receivables related to past lawsuits is not allocated in the related year, these cannot be accounted as expenses for the new period.

The ruling by the Treasury and judicial opinion by the Council of State are in this direction.

Provisions for doubtful receivables are right of choice but these provisions shall be accounted for the years when the receivables become doubtful. As Company, since the lawsuit in .... Court with 6312/06 lawsuit number was in the 2006 calendar year, the receivables became doubtful on this date. Therefore, you have the right to provisions for doubtful receivables for 2006 as explained above. It is not possible to allocate provisions for doubtful receivables for receivables after this date by considering the later operations (Sakarya Tax Office, B.07.1. GİB.4.54.15.01/VUK number and "Provision for Doubtful Receivables” advanced ruling)

It is not obligatory to reserve a provision in the year the receivable becomes doubtful and the value-added tax paid to the tax office without being collected by the taxpayer cannot be abstracted while allocating a provision for doubtful receivables” (State Council 4th Chamber dated 27.02.2003 and E.2002/1668, K. 2003/563) and the court decided that the provision could be set aside in the following year.
With the decision of the Council of State Tax Case Chambers dated 08.12.2006 and numbered E.2006/291, K. 2006/334, an established case-law that a receivable in the litigation and execution phase cannot be compensated in the following years was reversed.
In the light of these rulings, it is appropriate to write expenses when there is a lawsuit for provisions for doubtful receivables.

If there is collateral, a provision can be made for the part after the collateral is deducted.

(Dn. VDDK 12.04.2002 is given below. E.2002/35, K./2002/186 The provision of the law stipulates that in secured receivables, by limiting this provision to the remaining amount of the collateral, the debtor will not be covered by mortgages, liens, pledges, guarantors, etc. In this incident, it is understood that the claimant's receivable from the partner of the cooperative is secured by a lien on the debtor's properties during the execution phase.

Replacement Fund Applications

The renewal of the sold economic assets or the acquisition of a similar economic asset is required depending on the nature of the business by taxpayers who keep books on a balance sheet basis or if a decision has been made by the managers of the enterprise in this regard and the enterprise has been started, then the profit from the sale may be held in a temporary account in liabilities until the end of the third calendar year following the date of the sale. If the replacement of the economic assets sold or the acquisition of a similar economic asset does not occur within this period, the profit kept in the temporary account is added to the profit and loss account of the third calendar year following the year of the sale.