3 Postal Services That Are The Subject Of The Contract Will Be Carried Out On The Principles Set Out In Generally Applicable Law, I.E. In Particular: A) By The Act Of 23 November 2012 Postal Law (I.E., Journal Of Laws Of 2025, Item 366, As Amended), B) The Regulation Of The Minister Of Administration And Digitization Of 29 April 2013 On The Conditions For The Performance Of General Services By The Designated Operator (Journal Of Laws Of The 2020, Item 1026), C) The Regulation Of The Minister Of Administration And Digitization Of November 26, 2013 On The Complaint Of The Postal Service (Journal Of Laws Of 2019, Item 474), D) The General Regulations Of The General Region Of The World Postal Association Together With The Attachment - Internal Regulations Of The Congresses, The World Postal Convention With The Final Protocol, Agreement On Postal Services, Payment Services Prepared In Dahs On October 11, 2012, E) The Regulations Of The Letter Post, The World Postal Association Drawn Up In Bern On January 28, 2005, F) Regulations On Postal Packages, The World Postal Association Drawn Up In Bern On January 28, 2005, G) Provisions Regarding The Delivery Of Shipments On The Principles Set Out In:- Act Of 14 June 1960 Code Of Administrative Procedure (Journal Of Laws Of 2024, Item 572 As Amended) Regulating The Procedure For Delivering Letters In Administrative Proceedings,- The Act Of 29 August 1997 Tax Code (Journal Of Laws Of 2025, Item 111, As Amended) Regulating The Procedure For Delivery (Journal Of Laws Of 2024, Item 1568, As Amended) Regulating The Procedure For Delivering Letters In Civil Proceedings,- Other Commonly Binding Regulations.H) Of The World Postal Convention, Doha 2012 (Journal Of Laws Of 2015, Item 1522) And A Government Declaration Of 6 May 2015 In The Power Of The World Postal Convention, Doh 2015 (Journal Of Laws Of October 2, 2015 Item By Postal Parcels, Which Are The Subject Of The Contract, Is Understood: A) Unregistered (Ordinary) Domestic And Foreign Letter Parcels, I.E. Issued And Delivered Without Receipt; B) Letter Shipments Registered (Registered), I.E. Parcels Sent And Delivered For Receipt Or With Confirmation Of Receipt, Domestic And Foreign, Including With A Reimb. Administrative And The Tax Ordinance; C) Registered (Registered) Letter Shipments, I.E. Shipments Sent And Served With Receipt Or With Confirmation Of Receipt, Domestic And Foreign, Including With A Return Receipt Of Receipt; D) Postal And Foreign Postal Items Accepted On Special Terms Will Be Sent Taking Into Account The Division Into Economic And Priority Shipments, As Well Dimensions; E) Domestic And Foreign Postal Parcels, I.E. Registered Shipments Containing Items Including The Division Into Economic And Priority Parcels. 4. A Further Detailed Description Of The Subject Of The Contract Was Specified In The Order Documents.