What are the restrictions when you open a documentary credit?

When you open the credit is to prove the value of insurance and Andalfath be discounted by15% or20%, for example, of the value of accreditation 

(From H / documentary credit (for the resource) (Q 

(H to the bank (the value of the custom of the importer in the bank account dependence 

Running expenses such as bank commision open or reliance SWIFT and other expenses 

(From H / documentary credit (for the resource) (Q 

H to the Bank 

Under other expenses outside the bank, such as transportation costs and customs duties and customs clearance and other 

(From H / documentary credit (for the resource) (Q 

To h / fund or exchange point 

So here rely worth more than the increase of expenses 

: -uand Repay the rest of the credit value by80%, for example, the remaining 

(From H / documentary credit (for the resource) (Q 

Of h / banking expenses 

To h / Bank 

Until the process is completed and the goods arrive safely conducting under a closing 

Of h / Procurement 

     (H to the documentary credit (for the resource) (Q

is the commitment entered into by a bank

on behalf of a third party (the party initiating the operation – the principal) or on its own behalf

to pay a beneficiary (service provider, seller, supplier, etc.) a particular amount on presentation within a stipulated lead time

of the documents in conformity with the terms and conditions fixed.

agreed with u sir