请教CPP/EI Exemption是什么意思

angel0211

大家好，我才到加拿大上班，税务方面一头雾水。
9 m- r0 X( Z) Z$ c1 e# D+ M# l. B
0 r- J" ?# O: h% x) F入职时小蜜给我一份CPT1表格填写。"Aplication to Canada Revenue Agency for CPP/EI Exemption". 请问这个表格是申请什么的？是申请不缴CPP/EI吗, 还是其他意思？

表格里有这么一段话: ”XXX must make CPP and EI deductions from workers. However, if you interpret your income to be CPP/EI exempt, you must apply to CRA directly for a ruling on whether your employment is pensionable and/or insurable, or both”
6 ]( n4 W: p! N, P% Q  `“ruling”是什么意思啊？
2 @$ a! P' t* V, P, M, Z" C0 a
谢谢各位啦！