We're only allowed to answer one question at a time. If you meant also to ask something about "world-class transfer," you must start another thread.
"OK" is used as a verb, sometimes spelled "okay" in American English, with the following conjugation:
Active Voice
I OK/okay, you OK/okay, he/she/it OKs/okays
we OK/okay, you OK/okay, they OK/okay
I OK'ed/okayed, you OK'ed/okayed, he/she/it OK'ed/okayed
we OK'ed/okayed, you OK'ed/okayed, they OK'ed/okayed
I will OK/okay, you will OK/okay, he/she/it will OK/okay
we will OK/okay, you will OK/okay, they will OK/okay
Past participle: OK'ed/okayed
Present participle/gerund: OKing/okaying
Compound tenses:
I have OK'ed/okayed, etc.
I had OK'ed/okayed, etc.
I will have OK'ed/okayed, etc.
Progressive or continuous tenses:
I am OKing/okaying, etc.
I was OKing/okaying, etc.
etc.
Emphatic tenses:
I do OK/okay, etc.
I did OK/okay, etc.
etc.
Passive Voice
I am OK'ed/okayed, etc.
I was OK'ed/okayed, etc.
I will be OK'ed/okayed, etc.
I have been OK'ed/okayed, etc.
I had been/will have been OK'ed/okayed, etc.
Anywhere another verb uses a form ending in -ing, you can insert OKing or okaying.
Anywhere another verb uses a form ending in -ed, you can insert OK'ed or okayed.
So "House OKs Congressional Maps" is a perfectly good headline to indicate that the boundaries of districts for electing members of the United States House of Representatives for a particular state have been approved by the state House of Representatives of that state. Once "Senate OKs Congressional Maps" and "Governor OKs Congressional Maps," the state will have a set of Congressional districts to use in the election to take place on November 6,2012, and on the first Tuesday after the first Monday every second year therafter through the year AD 2020.