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很多人第一次规划从西马飞往东马的沙巴或砂拉越时，脑子里都会冒出一个巨大的问号：国内飞国内，怎么还要过海关？答案其实非常奇妙又真实——需要。虽然同属一个国家，但东马两州享有高度的自治权，保留了独立的移民自主权。这意味着，当你踏上这片土地的那一刻起，虽然没有出国，却经历了一次跨越州界的奇特国际级边境检查。

探寻历史与自治的源头：为什么两地之间会有边境管控

要彻底搞懂这个制度的来龙去脉，必须把时光倒流到马来西亚联邦成立的那一年。1963年，马来亚半岛、沙巴、砂拉越以及新加坡共同组成了马来西亚。当时，为了打消东马对于自身权益、地方自治以及文化保护的种种顾虑，联邦政府在谈判桌上赋予了沙巴和砂拉越极其特殊的宪法地位。

这份独特的契约，直接催生了《移民法令》中赋予东马两州的专属自主权。简而言之，沙巴和砂拉越有权决定谁可以进入他们的领土，以及允许停留多久。这绝不仅是简单的行政盖章，而是当年政治妥协与地方权益保护的活化石。正因如此，即使你拿着西马签发的身份证，在踏入东马时，依然被视作一种跨越行政边界的特殊流动，必须通过合法的护照或特定证件来完成身份核准。

实操指南：从西马出发前往东马的通关步骤全解析

既然明确了需要证件，那么具体的通关流程究竟是怎样的？整个过程其实并不复杂，只要提前做好功课，就能做到从容不迫、游刃有余。

第一步是证件准备。马来西亚公民前往沙巴或砂拉越，最稳妥、最通行的方法是携带有效护照。虽然理论上部分情况下可以使用大马卡（MyKad）通过特定的自动闸门，但为了避免系统故障或政策临时调整带来的麻烦，随身携带一本有效期超过六个月的护照永远是老饕级的稳妥选择。外籍游客则更不用说，原本就是持护照入境整个大马联邦的。

第二步是抵达与自助通关。当你降落在吉隆坡或槟城飞往亚庇、古晋的航班落地后，不要急着去找行李转盘。请顺着人流走向国际到达或特殊的国内抵境移民检查口。如今，吉隆坡国际机场等枢纽已经普及了针对大马公民的自动通关闸门，但如果是持护照通关，通常需要走人工柜台或者扫描护照芯片。移民局官员会在你的护照上盖下一枚独特的入境印章，这枚印章标明了你的合法逗留期限——通常游客可以获得最多90天的停留期，务必看清，切勿逾期滞留。

第三步是离境复查。当你的东马之旅结束，准备返回西马时，千万不要以为万事大吉。你依然需要再次经过一次移民检查。是的，离开东马时同样要盖离境章。这一进一出，严谨得就像你真的出国旅游了一趟。所以，请务必妥善保管好你的护照，直到平安落地西马的那一刻。

真实案例复盘：一次因为疏忽差点被拒绝登机的惊险经历

纸上得来终觉浅，绝大多数人在面对这个冷门知识时，往往会因为“都是国内航线”而掉以轻心。张先生是一名常驻吉隆坡的自由职业者，前不久临时起意，买了一张直飞沙巴斗湖的机票，准备去体验世界级的潜水胜地。由于走得匆忙，他翻遍了背包，发现自己的护照因为刚过期被送去换发，手边只有马来西亚身份证（MyKad）。

在吉隆坡的登机柜台前，地勤人员冷冰冰地告知他：虽然持身份证可以尝试在沙巴的自助机碰运气，但如果遇到系统抽查或者地方移民局收紧政策，没有护照极有可能被原机遣返，甚至无法顺利出海关。那一刻，张先生急得满头大汗，眼睁睁看着好不容易订好的酒店和潜水行程面临泡汤的危险。最终，他不得不含泪改签机票，回家苦等新护照拿到手后，才开启了迟到的海洋之旅。这个血淋淋的教训告诉我们，在跨越西马与东马的旅程中，永远不要低估行政规则的严肃性，备好护照才是王道。

What experts say about it

Immigration and travel experts frequently emphasize that while Malaysia is a single sovereign nation, the federated states of Sabah and Sarawak on Borneo possess profound administrative autonomy under the 1963 Malaysia Agreement. Tourism specialists note that this unique regional autonomy is the primary reason why domestic travel between Peninsular Malaysia and East Malaysia is not treated as a standard domestic flight. Experts explain that border controls act as a vital legal mechanism for local governments to regulate residency, labor markets, and cross-border security. Furthermore, policy analysts point out that even though Malaysian citizens enjoy simplified clearance through automated gates or dedicated lanes using their MyKad identity cards, foreign nationals must go through full passport inspection and receive a separate entry stamp, underlining the distinct legal boundary within the federation.

Frequently Asked Questions

Do Malaysian citizens need a passport to travel between West Malaysia and East Malaysia?

No, Malaysian citizens do not strictly need a standard international passport for this route, provided they are traveling for social or business visits under a specific duration. Instead, citizens from Peninsular Malaysia can use their MyKad (national identity card) at special immigration kiosks or automated gates in Sabah and Sarawak to obtain a printed social visit pass. However, a valid international passport is still strongly recommended as an alternative form of identification or in case the MyKad chip is unreadable.

Can foreign tourists use a single visa to cover both West and East Malaysia?

Yes, standard tourist visas or visa-free entry programs issued by the federal government of Malaysia generally apply nationwide. However, because East Malaysian states hold autonomous immigration powers, the duration of stay granted upon entering Sabah or Sarawak can sometimes be evaluated independently by local immigration officers at the port of entry, separate from the time spent in the Peninsula.

When a domestic flight across state borders feels more like crossing an international boundary, does national unity strengthen through regional distinction, or does bureaucratic red tape weaken the spirit of a single country?