The purpose of this section of the Bill is to ensure that exempt charities are, so far as is reasonable, subject to regulation in relation to the way they carry out their obligations from a charity law point of view. The basis on which certain exempt institutions are relieved from registering with the Charity Commission is entirely because they can point to another main regulator who can do the job of regulating for charity law purposes as well. It is only if the principal regulator is identified by order that such charity law regulation will occur. If no order is made under clause 13(4)(b) then the exempt charity will remain unregulated for charity law purposes which is contrary to the spirit and intention of the Bill. It is therefore important that there should be a time limit for the implementation of the principal regulator process.