14d Legal requirement for picture. [9 letters]
?R?V?????
22a UN tail wayward American submarine. [8 letters]
??U?I???
2d Hide tail of cat in frame. [5 letters]
?T?S? could this be STASH?
20d Loudly emblish association. [5 letters]
???L?
20d guild
2d stash (cats tail is T and sash is windowframe) and stash is hide.
By the way, the wordfinder is thunderbirds if you're interested.
good luck