After notice to the qualified beneficiaries, a trustee may combine two or more trusts into a single trust or divide a trust into two or more separate trusts if the result does not impair rights of any beneficiary or adversely affect achievement of the purposes of the trust.
Combination And Division Of Trusts
Mont. Code Ann. § 72-38-417, under Creation, Validity, Modification, and Termination of Trust.
Mont. Code Ann. § 72-38-417