English to Russian Law/Patents Law: Contract(s)

Договор

If the Company gives X a written and signed notice on or before the date of expiration of this Guarantee or any subsequent extension thereof, Y shall: (i) automatically extend this Guarantee for the period requested (provided each extension shall not exceed Z days) from the original date of expiration of this Guarantee or from the expiration date of the extension which may have been subsequently made as indicated in the request for extension

Не могу понять, к чему относится "which may have been subsequently made as indicated in the request for extension"

Спасибо.