This is the 16765th most frequent Polish word.
wydanym
"Published," "issued," or "released," depending on context.
Here 'wydana' is the past participle form, indicating that the action of publication has been completed.
Książka została wydana w zeszłym roku.
The book was published last year.
In this sentence, 'wydanych' is used as an adjective to describe the documents that have been issued.
Dla wydanych dokumentów obowiązują nowe przepisy.
The new regulations apply to the issued documents.
Here 'wydanym' is in the instrumental case, modifying the noun 'rozkazom', referring to orders that have been issued.