Trusts consisting solely of policies of life, health, accident, or disability insurance, or of the proceeds or avails thereof, shall for the purpose of determining whether any law against perpetuities or suspension of the power of alienation of title to property is applicable thereto be regarded as created when the liability of the insurer accrues by reason of the occurrence of the event insured against, whether or not a power to revoke the trust as to the policies was reserved during the life of the insured and whether or not any beneficial interest in the policies is alienable by the beneficiaries and whether or not the beneficiary or beneficiaries were in being at the time of the creation of the trust.