Should the European Union fail to take action, then Member States would be obliged to amend their national legislation for a very brief period, until the CEN completes its work, which would cause unnecessary cost and uncertainty.
1	Should	shall	AUX	VM	Mood=Ind|Person=3|Tense=Past|VerbForm=Fin	5	aux	_	_
2	the	the	DET	RD	Definite=Def|PronType=Art	3	det	_	_
3	European	European	PROPN	SP	_	5	nsubj	_	_
4	Union	Union	PROPN	SP	_	3	flat	_	_
5	fail	fail	VERB	V	VerbForm=Inf	15	advcl	_	_
6	to	to	PART	PART	_	7	mark	_	_
7	take	take	VERB	V	VerbForm=Inf	5	xcomp	_	_
8	action	action	NOUN	S	Number=Sing	7	obj	_	SpaceAfter=No
9	,	,	PUNCT	FF	_	7	punct	_	_
10	then	then	SCONJ	CS	_	15	mark	_	_
11	Member	member	NOUN	S	Number=Sing	12	compound	_	_
12	States	state	NOUN	S	Number=Plur	15	nsubj:pass	_	_
13	would	will	AUX	VM	Mood=Ind|Person=3|Tense=Past|VerbForm=Fin	15	aux	_	_
14	be	be	AUX	VA	VerbForm=Inf	15	aux:pass	_	_
15	obliged	oblige	VERB	V	Tense=Past|VerbForm=Part	0	root	_	_
16	to	to	PART	PART	_	17	mark	_	_
17	amend	amend	VERB	V	VerbForm=Inf	15	xcomp	_	_
18	their	their	DET	AP	Poss=Yes|PronType=Prs	20	nmod:poss	_	_
19	national	national	ADJ	A	Degree=Pos	20	amod	_	_
20	legislation	legislation	NOUN	S	Number=Sing	17	obj	_	_
21	for	for	ADP	E	_	25	case	_	_
22	a	a	DET	RI	Definite=Ind|Number=Sing|PronType=Art	25	det	_	_
23	very	very	ADV	B	_	24	advmod	_	_
24	brief	brief	ADJ	A	Degree=Pos	25	amod	_	_
25	period	period	NOUN	S	Number=Sing	17	obl	_	SpaceAfter=No
26	,	,	PUNCT	FF	_	17	punct	_	_
27	until	until	SCONJ	CS	_	30	mark	_	_
28	the	the	DET	RD	Definite=Def|PronType=Art	29	det	_	_
29	CEN	CEN	PROPN	SP	_	30	nsubj	_	_
30	completes	complete	VERB	V	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	advcl	_	_
31	its	its	DET	AP	Number=Sing|Poss=Yes|PronType=Prs	32	nmod:poss	_	_
32	work	work	NOUN	S	Number=Sing	30	obj	_	SpaceAfter=No
33	,	,	PUNCT	FF	_	30	punct	_	_
34	which	which	PRON	PR	PronType=Rel	36	nsubj	_	_
35	would	will	AUX	VM	Mood=Ind|Person=3|Tense=Past|VerbForm=Fin	36	aux	_	_
36	cause	cause	VERB	V	VerbForm=Inf	30	acl:relcl	_	_
37	unnecessary	unnecessary	ADJ	A	Degree=Pos	38	amod	_	_
38	cost	cost	NOUN	S	Number=Sing	36	obj	_	_
39	and	and	CCONJ	CC	_	40	cc	_	_
40	uncertainty	uncertainty	NOUN	S	Number=Sing	38	conj	_	SpaceAfter=No
41	.	.	PUNCT	FS	_	15	punct	_	_
