6. Article

RETURN OF MATERIALS 6.1. In the event of termination of the Agreement or this Implementing Annex, all hard copy / digital geodetic and geophysical data, publications, and related GIS materials that have already been exchanged, excluding hard copy / digital geodetic and geophysical data, publications, and related GIS materials on loan, need not be returned and shall remain the property of the holder unless otherwise agreed. 7. VALIDITY 7.1. This Implementing Annex shall enter into effect on the date of the last signature and shall remain in effect in accordance with Article XIV (AMENDMENT, TERMINATION, ENTRY INTO EFFECT AND DURATION) of the Agreement. 8. SIGNATURES IN WITNESS WHEREOF, the undersigned, being duly authorized, have signed this Implementing Annex. Prepared in duplicate, in the English and Latvian languages, each of which shall be of equal authenticity. One copy in each language shall be duly signed and exchanged between the Parties. For the National Geospatial-Intelligence Agency Department of Defense United States of America For the ministry of Defence of the Republic of Latvia James R.Clapper Edgars Rinkēvičs Lieutenant General, USAF (Ret.), Director, National Geospatial- Intelligence Agency State Secretary Date Date Location Location Appendix I TO IMPLEMENTING ANNEX B EXCHANGE OF GEODETIC AND GEOPHYSICAL DATA, PUBLICATIONS AND RELATED GEOSPATIAL INFORMATION AND SERVICES MATERIALS