Answer:

FORM

AnswerCrossword Clue
FORMGymnast's concern
FORMShape
FORM"... ever follows function": Louis Henry Sullivan
FORMBureaucratic requirement
FORMSchedule A, for one
FORMTax schedule
FORM"... in no way, shape or .."
FORMBlob's lack
FORM1040 or 1040EZ
FORM1040, for example
FORMArtistic structure
FORM1040 or W-2
FORM1040, e.g.
FORM1040-EZ, e.g.
FORMMold into shape
FORMKind of letter
FORMCreate
FORMDressmaker's dummy
FORM1040EZ, e.g.
FORMApplication blank, for one
FORMDevelop, as an opinion
FORMTake shape
FORM1040, for one
FORMDiving judge's concern
FORMThing to fill out
FORMSomething to fill out
FORMApplication paper
FORM1040EZ, for one
FORMirs.gov download
FORMDocument to fill out
FORMPiece of paper to fill out
FORMGive shape to
FORMPut together
FORMAssemble
FORMIn no way, shape, or ..
FORMMake up
FORMLast, e.g.
FORMAthlete's style.
FORMManner of doing something.
FORMMode of conduct.