Question 53 of 75. The effective date of exempt status is the legal date of formation if the organization files Form 1023 within months after the end of the month in which it was legally formed. 06 O 12 O 24 D 27 Mark for follow up Question 54 of 75. Which of the following is not subject to the tax on unrelated business taxable income? O Research income for the United States, any of its agencies or instrumentalities, or a state or any of its political subdivisions. O Medical savings accounts (MSAs). O Rental income that is based upon a percentage of net income of the lessee O Coverdell savings accounts. Mark for follow up Question 55 of 75. An organization is required to file Form 990 electronically if it files at least 250 returns of any type, during the