can you help me translate the following sentence?urgent

[gg]

<div dir="ltr"><font face="Arial" color="#000000" size="2">補假由放假當日起限期為一年, 如期作廢------------> translate pls</font></div>

[meow]

I would love to help, but sorry.... I don't even understand the meaning of the Chinese sentence.

[Jojoba Oil]

yeh, i thought i could help too but i also can't understand the chinese sentence. it just doens't seem making any sense.
<br>In your case, doesn't 補假 already mean 放假? and if the 補假 has already been taken (放假), then why is there still an expiration?