Can Commerceml 2 and 3 be installed?

Question

Electronic commerce

cs-cart module supports commerceml 2 version, and we have 1C:UT for Kazakhstan commerceml 3.1. That is, 1s sends 7 files, and the module receives and sends only 2-3 files. Our task.

Here is an approximate task:

Remains of goods in the warehouse and in different warehouses.

Characteristics of goods (Diopter). They should be displayed on the site in the balance so that customers can see how much is in stock as in dega.kz

Orders.

Counterparties, registration of legal entities on the site and that it be registered in 1s-ke. In addition, if a client registers on the site, which we already have in 1s, then he must become attached to it.