It is usually valid for 30 days and can be extended once for another 30 days at any immigration office in Cuba (for 25 CUC) - beyond this you would need a flight out of Cuba within the extended visa period.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	4:nsubj	Discourse=joint-other_m:16->7:2|Entity=(7-object-giv:act-cf1*-1-ana)
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	4:cop	_
3	usually	usually	ADV	RB	Degree=Pos	4	advmod	4:advmod	_
4	valid	valid	ADJ	JJ	Degree=Pos	0	root	0:root	_
5	for	for	ADP	IN	_	7	case	7:case	_
6	30	30	NUM	CD	NumForm=Digit|NumType=Card	7	nummod	7:nummod	Entity=(21-time-new-cf7-2-coref
7	days	day	NOUN	NNS	Number=Plur	4	obl	4:obl:for	Entity=21)
8	and	and	CCONJ	CC	_	11	cc	11:cc	Discourse=joint-list_m:17->16:0
9	can	can	AUX	MD	VerbForm=Fin	11	aux	11:aux	_
10	be	be	AUX	VB	VerbForm=Inf	11	aux:pass	11:aux:pass	_
11	extended	extend	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	conj	4:conj:and	_
12	once	once	ADV	RB	NumForm=Word|NumType=Mult	11	advmod	11:advmod	_
13	for	for	ADP	IN	_	16	case	16:case	_
14	another	another	DET	DT	PronType=Art	15	det	15:det	Entity=(22-time-new-cf2-3-coref
15	30	30	NUM	CD	NumForm=Digit|NumType=Card	16	nummod	16:nummod	_
16	days	day	NOUN	NNS	Number=Plur	11	obl	11:obl:for	Entity=22)
17	at	at	ADP	IN	_	20	case	20:case	_
18	any	any	DET	DT	PronType=Ind	20	det	20:det	Entity=(23-place-new-cf8-3-coref
19	immigration	immigration	NOUN	NN	Number=Sing	20	compound	20:compound	_
20	office	office	NOUN	NN	Number=Sing	11	obl	11:obl:at	_
21	in	in	ADP	IN	_	22	case	22:case	_
22	Cuba	Cuba	PROPN	NNP	Number=Sing	20	nmod	20:nmod:in	Entity=(4-place-giv:act-cf3-1-coref-Cuba)23)
23	(	(	PUNCT	-LRB-	_	26	punct	26:punct	Discourse=elaboration-additional:18->17:0|SpaceAfter=No
24	for	for	ADP	IN	_	26	case	26:case	_
25	25	25	NUM	CD	NumForm=Digit|NumType=Card	26	nummod	26:nummod	Entity=(24-abstract-new-cf9-2-sgl|XML=<measure type:::"currency">
26	CUC	CUC	NOUN	NN	Number=Sing	11	obl	11:obl:for	Entity=24)|SpaceAfter=No|XML=</measure>
27	)	)	PUNCT	-RRB-	_	26	punct	26:punct	_
28	-	-	PUNCT	:	_	33	punct	33:punct	_
29	beyond	beyond	ADP	IN	_	30	case	30:case	Discourse=joint-other_m:19->16:1
30	this	this	PRON	DT	Number=Sing|PronType=Dem	33	obl	33:obl:beyond	Entity=(22-time-giv:act-cf2-1-ana)
31	you	you	PRON	PRP	Case=Nom|Number=Sing|Person=2|PronType=Prs	33	nsubj	33:nsubj	Entity=(12-person-giv:inact-cf5-1-ana)
32	would	would	AUX	MD	VerbForm=Fin	33	aux	33:aux	_
33	need	need	VERB	VB	VerbForm=Inf	4	parataxis	4:parataxis	_
34	a	a	DET	DT	Definite=Ind|PronType=Art	35	det	35:det	Entity=(25-event-new-cf6-2-sgl
35	flight	flight	NOUN	NN	Number=Sing	33	obj	33:obj	_
36	out	out	ADP	IN	_	38	case	38:case	_
37	of	of	ADP	IN	_	36	fixed	36:fixed	_
38	Cuba	Cuba	PROPN	NNP	Number=Sing	35	nmod	35:nmod:out_of	Entity=(4-place-giv:act-cf3-1-coref-Cuba)25)
39	within	within	ADP	IN	_	43	case	43:case	_
40	the	the	DET	DT	Definite=Def|PronType=Art	43	det	43:det	Entity=(22-time-giv:act-cf2-4-coref
41	extended	extended	ADJ	JJ	Degree=Pos	43	amod	43:amod	_
42	visa	visa	NOUN	NN	Number=Sing	43	compound	43:compound	Entity=(5-abstract-giv:act-cf4-1-coref)
43	period	period	NOUN	NN	Number=Sing	35	nmod	35:nmod:within	Entity=22)|SpaceAfter=No
44	.	.	PUNCT	.	_	4	punct	4:punct	_
