On 21 July 1914, the Austro-Hungarian Minister for Foreign Affairs Leopold Count Berchtold (pictured) was with the Austro-Hungrian Emperor Franz Joseph at Ischl, where the monarch had a residence. From Ischl, Berchtold issued orders to his Second Section Chief regarding the ultimatum to Serbia.
Count Berchtold to the Imperial and Royal Ministry of Foreign Affairs. Ischl, 21 July 1914.
For Baron Macchio [Second Section Chief].
His Majesty the Emperor and King [Franz Joseph] has approved the text of the note to Servia and to the powers without any change. I beg your Excellency to inform the German ambassador that the note cannot be handed to him before tomorrow morning, because some corrections have to be made.
Source: 1919 Austro-Hungarian Red Book, with minor edits.