在加拿大职业分类定义(NOC Matrix) 中，技能水平属于C、D级(Skill Level C or D) 的职业者，加拿大新移民法不承认他们的工作经验，因而不允许他们移民。
移民法不承认的职业如下：
技能水平C级(SKILL LEVEL C)
通常是中学毕业或经特殊技能培训
(ccupations usually require secondary school and/or occupation-specific training)
第14类(Major Group 14)
文书管理类(CLERICAL OCCUPATIONS)
141 文书，普通办公技能 ( Clerical Occupations, General Office Skills)
142 办公设备操作员(Office Equipment Operators)
143 金融和保险业一般业务员(Finance and Insurance Clerks)
144 一般行政人员(Administrative Support Clerks)
145 图书馆，通信以及相关信息职员
(Library, Correspondence and Related Information Clerks)
146 邮寄和通讯分发职业人员(Mail and Message Distribution Occupations)
147 纪录，分配和时间安排职业人员(Recording, Scheduling and Distributing Occupations)
第34类(Major Group 34)
健康服务咨询顾问 (ASSISTING OCCUPATIONS IN SUPPORT OF HEALTH SERVICE)
341 健康服务方面助理人员( Assisting Occupations in Support of Health Services)
第64类(Major Group 64)
销售服务类职业(INTERMEDIATE SALES AND SERVICE OCCUPATIONS)
641 批发贸易类的营销代表(Sales Representatives, Wholesale Trade)
642 推销人员、售货员(Retail Salespersons and Sales Clerks)
643 旅游或宾馆服务人员(Occupations in Travel and Accommodation)
644 导游、娱乐场所服务人员(Tour and Recreational Guides and Casino Occupations)
645 餐饮业服务人员(Occupations in Food and Beverage Service)
646 保安(Other Occupations in Protective Service)
647 保姆、家政服务人员(Childcare and Home Support Workers)
648 其它劳务人员(Other Occupations in Personal Service)
第74类(Major Group 74)
运输、设备操作、安装、保养类职业
(INTERMEDIATE OCCUPATIONS IN TRANSPORT,EQUIPMENT OPERATION, INSTALLATION AND MAINTENANCE)
741 机动车驾驶运输人员(Motor Vehicle and Transit Drivers)
742 重型设备操作人员(Heavy Equipment Operators)
743 其它运输工具驾驶员(Other Transport Equipment Operators and Related Workers)
744 其它安装、维修、服务人员(Other Installers, Repairers and Servicers)
745 码头工人或相关工作人员(Longshore Workers and Material Handlers)
第84类(Major Group 84)
原材料生产、开采类职业(INTERMEDIATE OCCUPATIONS INPRIMARY INDUSTRY)
841 矿工、油田工人、钻井工人(Mine Service Workers and Operators in Oil and Gas Drilling)
842 伐木工人(Logging and Forestry Workers)
843 农民、园艺工人(Agriculture and Horticulture Workers)
844 从事渔业、狩猎方面工作的人员(Other Fishing and Trapping Occupations)
第94～95类(Major Group 94/95)
加工、生产类设备操作、改装人员
(PROCESSING AND MANUFACTURING MACHINE OPERATORS AND ASSEMBLERS)
941 金属、矿物产品加工行业机械设备操作人员及工人
(Machine Operators and Related Workers in Metal and Mineral Products Processing)
942 化工、塑料、橡胶行业机械设备操作人员及相关工人
(Machine Operators and Related Workers in Chemical, Plastic and Rubber Processing)
943 造纸、木材加工行业机械设备操作人员及相关工人
(Machine Operators and Related Workers in Pulp and Paper Production and Wood Processing )
944纺织行业机械设备操作人员及相关工人
( Machine Operators and Related Workers in Textile Processing)
945 纤维、皮革生产加工行业机械设备操作人员及相关工人
(Machine Operators and Related Workers in Fabric, Fur and Leather Products Manufacturing)
946 烟草、食品饮料加工行业机械设备操作人员及相关工人
( Machine Operators and Related Workers in Food, Beverage and
Tobacco Processing)
947 印刷行业机械设备操作人员及相关工人
(Printing Machine Operators and Related Occupations)
948 机械、电力、电子行业改装人员(Mechanical, Electrical and Electronics Assemblers)
949 其它相关行业改装人员(Other Assembly and Related Occupations)
951 机器、金属、木材及相关行业机械设备操作员
(Machining, Metalworking, Woodworking and Related Machine Operators)
技能水平D级(SKILL LEVEL D)
在职即可培训类职业(On-the-job training is usually provided for occupations)
第66类(Major Group 66)
销售、服务行业人员(ELEMENTAL SALES AND SERVICE OCCUPATIONS)
661 出纳员(Cashiers)
662 销售及相关职业(Other Sales and Related Occupations)
664 帮厨(Food Counter Attendants, Kitchen Helpers)
第76类(Major Group 76)
贸易、建筑工人
(TRADES HELPERS, CONSTRUCTION LABOURERS AND RELATED OCCUPATIONS)
761 贸易、建筑行业工人(Trades Helpers and Labourers)
762 公共设施建筑工人(Public Works and Other Labourers, n.e.c.)
第86类(Major Group 86)
第一产业工人(LABOURERS IN PRIMARY INDUSTRY)
861 第一产业工人(Primary Production Labourers)
第96类(Major Group 96)
加工、生产及应用行业劳动者(LABOURERS IN PROCESSING, MANUFACTURING AND UTILITIES)
961 加工、生产及应用行业劳动者(Labourers in Processing, Manufacturing and Utilities)
注：C、D级(Skill Level C or D)的名单远远不止这些，详细情况请查询官方网站。
