The purchaser may use an adapted procedure to award:
1° A contract for which the estimated value of the requirement, excluding taxes, is less than the European thresholds set out in a notice annexed to this Code;
2° A batch of an allotment contract for which the total amount is equal to or greater than the formalised procedure thresholds and which meets the following two conditions:
a) The estimated value of each lot concerned is less than 80,000 euros excluding tax for supplies or services or less than 1 million euros excluding tax for works;
b) The aggregate value of these lots does not exceed 20% of the total estimated value of all the lots;
3° A contract for social services and other specific services, the list of which appears in a notice annexed to this code, regardless of the estimated value of the requirement;