short-form registration statement means form s-3 or any successor or similar form of registration statement pursuant to which the company may incorporate by reference its filings under the exchange act made after the date of effectiveness of such registration statement. form 10 means the registration statement on form 10 filed by spinco with the sec to effect the registration of spinco shares pursuant to the exchange act in connection with the distribution, as such registration statement may be amended or supplemented from time to time prior to the distribution.