1. Advance use of a portion of the quantitative limit — the prices of like national products at a comparableestablished for the following year shall be authorized for each marketing stage on the market of the importingcategory of products up to 5 % of the quantitative limit for country ,the current year . — the prices generally charged for like products sold underAmounts delivered in advance shall be deducted from the the ordinary conditions by other exporting countries on the market of the importing country,quantitative limits established for the following year. — the lowest prices charged by a third country for the same2. Carryover to the corresponding quantitative limit for product in the course of ordinary commercial dealings inthe following year of amounts not used during any given year the three months preceding the request for consultations ,shall be authorized up to 5 % of the quantitative limit for the and not having led to the adoption of any measure by thecurrent year . Community . ---pagebreak--- 29 . 8 . 86 Jornal Oficial das Comunidades Europeias N ? L 245 / 243 4. Should the consultations referred to in paragraph 2 total imports into the Community of products in that above fail to lead to agreement within 30 days of the category , the following rates : Community's request for consultations , the Community may , until these consultations have produced a mutually — for categories of products in Group I : 0,2% , satisfactory solution , temporarily refuse consignments of the — for categories of products in Group II : 1,2% , product in question at the prices and conditions referred to in paragraph 1 above . — for categories of products in Group III : 4,0% , 5. In totally exceptional and critical circumstances , where it may request the opening of consultations in accordance consignments of products are being imported from with the procedure described in Article 15 of this Agreement , Czechoslovakia into the Community at prices abnormally with a view to reaching agreement on an appropriate lower than the normal competitive level , such as to cause restraint level for the products in each category .