Wolfger, the patriarch of Aquileia and margrave of Istria, confirms the boundaries of the territories under the jurisdictions of the bishops of Poreč (13th-century forgery).
Patriarch Wolfger confirms to the monastery of Saint Nicholas of Lido in Venice the privileges and donations issued by his predecessors, patriarchs Pelegrin I, Ulrich II, Gottfried and Pelegrin II, including the right to freely travel across the Patriarchate and own property therein, three trading outposts in Aquileia, the monastery of St. Peter in Karst by Buje together with all of its properties, including the mill in Buzet and the right of advocacy relinquished by Advocate Maynard I of Gorizia.
King Philip invests Patriarch Wolfger with imperial regalian rights and attests that his successors do not need to journey to German lands to receive the regalian investiture because the patriarchs of Aquileia are one of the Italian ecclesiastical princes.
In the name of Patriarch Wolfger of Aquileia, Henry of Gemona swears to Marco Barozzi, the envoy of Venetian Doge Pietro Zani, to uphold the treaties concluded between the Patriarchate and Venice, namely to ensure the safety of Venetian merchants throughout the patriarch’s secular dominion, to guarantee the reimbursement to any Venetian robbed within these territories, and to promptly announce to the Venetians if the Empire is planning any hostilities directed against them.
Otto IV, King of the Romans, confirms the rights of the Patriarchate of Aquileia over the Duchy of Friuli, including the incomes from the administration of criminal justice, and all documented agreements made between Patriarch Peregrine I and Count Maynard I of Gorizia as well as Patriarch Ulrich II and Count Engelbert II of Gorizia regarding advocacy and other matters.
Otto announces to all the subjects of the Empire in Italy that he has appointed Patriarch Wolfger of Aquileia imperial legate for Lombardy, Tuscia, the Duchy of Spoleto and the Marches of Ancona and Romaniola, commanding them to receive him honorably and to recognize his decisions in imperial affairs.
King Otto IV invests Patriarch Wolfger with imperial regalian rights and attests that his successors do not need to journey to German lands to receive the regalian investiture because the patriarchs of Aquileia are one of the Italian ecclesiastical princes.
On the behest of Wolfger, the patriarch of Aquileia, and other princes gathered at the Diet of Augsburg, King Otto IV accepts the resignation of the Margraviate of Istria from Duke Ludwig of Bavaria and donates the same Margraviate to Patriarch Wolfger and the Church of Aquileia.
Otto IV, Emperor of the Holy Roman Empire, confirms the donation of the Margraviate of Istria to the Patriarchate of Aquileia.
Aquileian Patriarch and Istrian Margrave Wolfger confirms the temporal jurisdictions that the Church of Poreč enjoys by way of donations issued by previous patriarchs of Aquileia (13th-century forgery).
Berthold V of Andechs, patriarch of Aquileia, promises to the envoys of Doge Pietro Ziani and the Commune of Venice the security of Venetians within the boundaries of his temporal dominion; assures the recompense in case a Venetian ends up being robbed within his territories; promises to inform the Venetians in case of hostilities planned against them by the Empire; and he commits himself to amend the agreement, if necessary, in accordance with the Venetian doge.