Other Letters of Administration1. If the personal representative appointed is temporarily out of the Commonwealth or temporarily unavailable and the estate must be administered meanwhile, the Register may issue Letters of Administration durante absentia (during absence).2. If the named executor is a minor (under 18 years of age), will not or cannot renounce, and the administration of the estate cannot wait until the minor becomes 18, the Register may issue Letters of Administration durante minoritate (during minority) to a qualified person.3. If there is litigation pending or imminent before the Register which involves issues of probate, qualification of a person to be administrator, the status of a person who claims the right to administer the estate (such as putative common law spouse or child), and the estate must be administered pending the outcome of the litigation, the Register may issue Letters of Administration pendente lite (during litigation).