{"items":[{"id":"ITEM-A","label":"not_established","source_units":["ITEM-A:R02","ITEM-A:R03","ITEM-A:R12"],"rationale":"The source defines a per-invoice tolerance threshold of EUR 10 (ITEM-A:R02, ITEM-A:R03, ITEM-A:R12) and makes no mention of overseas suppliers or any 5 percent tolerance increase. Without assuming unstated rules or completeness regarding supplier location, this proposition is not established."},{"id":"ITEM-B","label":"not_established","source_units":["ITEM-B:R10"],"rationale":"ITEM-B:R10 states that the purchase threshold applies separately to each request rather than to a monthly supplier total, but the source does not state whether multiple related requests are automatically merged into a single request. Because process completeness and implementation details cannot be invented from silence, the claim is not established."},{"id":"ITEM-C","label":"not_established","source_units":["ITEM-C:R04"],"rationale":"ITEM-C:R04 states that an Accounts Payable analyst may ask for a corrected invoice for a blocked invoice without being obliged to do so, but the source never mentions a supplier portal or any required channel for requesting corrections. Because unstated implementation details cannot be assumed, this proposition is not established."}]}