Spring ain't sprung, the grass ain't riz.
There ain't no little birdies 'cos,
Their little balls is bloody froz.

Caroline, see under McGonagall for the SOP for such submissions.

Dear Mr Maclaren,
Thank you for your application for the post of
Poet Laureate. The post is not currently vacant, and is filled by
invitation not application when it does become vacant. In that
case, your name will be given appropriate consideration.

Please do not send any further examples of your work, as that will
not advance your case.