According to Press TV, Abdollah Mohajer, the head of Mazandaran Province Chamber of Commerce further said that the measure had been adopted only a few weeks ago after President Hassan Rouhani began his second term in office.
He added that no customs tariffs would be charged on products such as pistachios, cabbages, dates and raisins.
He said the final price for those products would be accordingly be reduced by 15 percent to 20 percent.
The official nevertheless underlined that north-bound exports still faced an array of problems the most important of which he said was the absence of major shipping lines on the route.
Mohajer said Mazandaran Province has numerous potentials for exports of non-oil goods particularly agricultural products.
He added that Mazandaran produces around six million tons of agricultural products per year and it exported goods valued at some $200 million over a period of five months from March 21.
Exports from Mazandaran in the year to March 21, 2017 stood at over $520 million and the target markets mainly included Russia and Iraq.
The province accounts for the production of 40 percent of Iran's rice, 50 percent of citrus fruits as well as 10 percent of poultry meat.