Amendments. This Agreement and each other Program Document may be amended from time to time, in writing and duly executed by the parties hereto.

Amendments.Amendment. This Agreement and each other Program Document may be amended from time to time, in writing and dulyor modified by written agreement executed by each of the parties hereto.

Amendments. This Agreement and each other Program Document may be amended fromor modified at any time to time,in any or all respects, but only by an instrument in writing and duly executed by the parties hereto.

Amendments.Amendment. This Agreement and each other Program Document may be amended from time to time,or modified only in writing and duly executedsigned by the partieseach party hereto.

Amendments. This Agreement and each other Program Document may be amended from time to time, in writing and dulyamended, modified or superseded only by a written instrument executed by both of the parties hereto.

Amendments.Amendment. This Agreement and each other Program Document may be amended from time to time,amended, modified or supplemented but only in writing and duly executedsigned by each of the partiesParties hereto.

Modifications and Amendments. ThisThe terms and provisions of this Agreement and each other Program Document may be modified or amended from time to time, in writing and dulyonly by written agreement executed by the parties hereto.

Amendments.Amendment. This Agreement and each other Program Document may be amended from time to time, in writing andamended, supplemented or modified only by a written instrument duly executed by the partiesor on behalf of each Party hereto.

Amendments. ThisAMENDMENT: Any amendment to this Agreement and each other Program Document maymust be amended from time to time,made in a writing andthat is duly executed by the parties hereto.

Amendments.Amendment. This Agreement and each other Program Document may be amended from time to time,or modified only in writing and duly executedsigned by the partieseach party hereto.