The Tax Code of the Republic of Azerbaijan

Article 67-2. Taxation of legal persons and individual entrepreneurs who have received investment promotion certificate
67-2.1 In case when the person who has received investment promotion certificate hands out business and other taxation objects before the expiration of the privilege period provided by this Code, the tax privileges are given for the rest of this period to the new person who gets business and other taxation objects and undertakes to begin or continue to produce goods (work, service) according to existing investment project
67-2.2 In case when the person who has received the invesment promotion certificate in the past estbablishes a producation area under new investment project, the tax privileges provided by this Code are calculated by the date of receipt of investment promotion certificate by the person on new invesment project
67-2.3 In case when the the person who has received the invesment promotion certificate operates not related to investment project in the period of application of tax privileges, he keeps account of the income and expenses associated with this activity separately and pays the taxes on income from these operations in general forms defined in this Code
Article 68. Procedure on determining the time period
68.1. The duration of any period established by this Code shall start from the day which follows the day of execution of legal activity of actual event that stimulate the counting of such period.
68.2. Any period shall expire at the end of the last day of the period stipulated by this Code. If any period stipulated by this Code is a non-business day it shall be postponed to the following business day.
Article 69. Exchange of foreign currency into manats
If any taxable operation is implemented in foreign currency the exchange of such currency into manats shall be conducted in accordance with the official exchange rate of the Central Bank of Azerbaijan on the date of operation.
Article 70. Correspondence with taxpayers
70.1. If the requirement of tax authority to the taxpayer or the requirement of the taxpayer to the tax authority is not in writing or electronic format and was not submitted by one party to another party, such requirements shall not have any legal force for neither the tax authority nor taxpayer.
70.2. Any notification or other document sent by a tax agency to a taxpayer shall be signed by the chief of that tax agency (deputy chief) and sealed. The documents shall be considered to be served when they are delivered by registered mail or in person to the address mentioned as a final address in the documents on official registration of a taxpayer - legal person or in the registration documents of a taxpayer-physical person.
70.3. Documents on tax calculation or other documents developed in accordance with tax legislation can not be considered as invalid or having any violations if:
70.3.1. their content complies with tax legislation and;
70.3.2. they indicate the recipient person or the person whose taxes are calculated.