18 Guam Code Ann. § 91103
(b) This Chapter does not apply to a transaction to the extent it is governed by:
(1) a law governing the creation and execution of wills, codicils, or testamentary trusts; or
(2) Title 13 of the Guam Code Annotated [The Uniform
COL1242015
18 Guam Code Ann. BUSINESS STRUCTURE & FUNCTION
CH. 91 – UNIFORM ELECTRONIC TRANSACTIONS ACT
Commercial Code] other than Division 1 § 1107 [Waiver or renunciation of claim or right after breach], Division 1 § 1210 [Presumptions Affect Burden of Producing Evidence], and Division 2 [Sales].
(c) This Chapter applies to an electronic record or electronic signature otherwise excluded from the application of this Chapter under Subsection (b) to the extent it is governed by a law other than those specified in Subsection (b).
(d) A transaction subject to this Chapter is also subject to other applicable substantive law.