For multi-year leasing arrangements, the UAE's VAT cut-off rule of one year causes considerable confusion. This is how it operates:  

The Rule states that VAT is payable at the point of "supply" of products or services. The entirety of the lease is often regarded as given at the start of the lease term under the UAE VAT Law.  

One-Year Cut-Off: Nevertheless, a clause stipulates that VAT will become due on the unpaid amount if no tax invoice is generated or payment is received within a year of the first supply. 

The Problem with Long-Term Leases:  

Staggered Payments: During the course of the lease, rent is sometimes paid in installments, with an upfront payment for a predetermined amount of time.  

ambiguity at the one-year mark: The leftover lease value isn't invoiced during the first year if the first payments aren't enough to cover the rent for a full year. This raises the question: At the one-year mark, is the whole amount of outstanding VAT due? 

The Lack of Clarity:  

No Apportionment Rule: How to handle VAT on the remaining lease value beyond the first year is not specifically addressed by the UAE VAT statute. Potential problems arise since there isn't a "apportionment rule" as is usual in other nations.  

Potential Impact: In the event that businesses do not receive invoices for the remaining time by the one-year mark, they may be faced with a significant VAT burden in the absence of clear guidance. Cash flow may be impacted, and corporation tax computations may be affected. 

Possible Solutions  

Negotiate Upfront Invoicing: In order to ensure that VAT is distributed over the lease duration, landlords and tenants may decide to agree to issue invoices for the full lease term up front.  

Seek Clarification: In the case of multi-year leases, businesses can seek clarification from the Federal Tax Authority (FTA) regarding their interpretation of the 1-year cut-off rule.  

Track developments: There may be more updates or clarifications to the VAT regulations pertaining to leasing contracts as the e-invoicing system is put into place in the United Arab Emirates. 

In conclusion, there is some ambiguity when it comes to multi-year leasing contracts because of the UAE's VAT system's 1-year cut-off provision. It is strongly advised that you seek advice from a tax specialist on your particular circumstances.