They are invoicing for this and I don't have an invoice for it.
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	3:nsubj	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux	3:aux	_
3	invoicing	invoice	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	0:root	_
4	for	for	ADP	IN	_	5	case	5:case	_
5	this	this	PRON	DT	Number=Sing|PronType=Dem	3	obl	3:obl:for	_
6	and	and	CCONJ	CC	_	10	cc	10:cc	_
7	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	10	nsubj	10:nsubj	_
8-9	don't	_	_	_	_	_	_	_	_
8	do	do	AUX	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	10	aux	10:aux	_
9	n't	not	PART	RB	_	10	advmod	10:advmod	_
10	have	have	VERB	VB	VerbForm=Inf	3	conj	3:conj:and	_
11	an	a	DET	DT	Definite=Ind|PronType=Art	12	det	12:det	_
12	invoice	invoice	NOUN	NN	Number=Sing	10	obj	10:obj	_
13	for	for	ADP	IN	_	14	case	14:case	_
14	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	12	nmod	12:nmod:for	SpaceAfter=No
15	.	.	PUNCT	.	_	3	punct	3:punct	_
