1- Am I Supposed to Pay the Rent via Bank?
1.1-
 Office rent, no matter how much it costs, SHOULD BE PAID VIA BANK.
1.2- House rent, if it is 500 TL and more, SHOULD BE PAID VIA BANK.

House rents which cost less than 500 TL can be paid cash if it is wished. That obligation is applied separately to each house rent. Such as, if you have rental income from 10 different houses and the rent of 5 houses is 450 TL for each. So, if you wish, you may collect them in cash.

2- Since When Has This Rule Been Applied?
This rule has been applied as of the date of 01 November 2008.

3- How Can I pay it Except from Bank?
The collection of revenues and payments can be made via BANK or PTT as of the date of 1.11.2008.

4- Is There Any Rent Which is not paid via Bank?
The rents which are not supposed to be paid via bank are listed below:
4.1- Housing rents valuing at less than 500 TL,
4.2- Collection of revenues from house and office rents by means of execution and court,
4.3- On the other hand, rental payments in kind are also not within the scope of this obligation.

5- I Didn’t Pay the Rent via Bank! What is the Penalty?
The penalty for not obeying this rule shouldn’t be less than the amount stated below and it should be 5% of the amount applied to each transaction. The minimum amounts of penalties are listed below according to their obligation type.
5.1- 1.370 TL for the first class merchants and self-employed.
(Bookkeepers on the basis of balance and bookkeepers for self-employment income)
5.2- 690 TL for second-class merchants, farmers who are bookkeepers and people whose earnings are based on simple basis. (Operating Ledger, Simple Entry)
5.3- 340 TL for people apart from these. (People who do not have perpetual tax obligation, Housewives, Retiree, Officer, Worker etc.)

Each transaction will be fined separately. That means if the rent should be paid via bank but not paid; the leaser and the leaseholder will be fined separately for 4 months.

Source: 1- Official Gazette Dated 29.7.2008 and Numbered 26951- General Communiqué on Income Tax Numbered 268
2- Tax Procedure Law-Duplicated Entry Numbered 355