in advance
prep. phr..prep. phr.. before a particular time or event happens.
prep. phr.. occurring or performed ahead of a specified time, event, or deadline; functions as an adverbial of time.
You should book your tickets in advance.
The manager requested that all staff submit their holiday requests at least two weeks in advance.
While the logistics were planned months in advance, the sudden shift in market conditions rendered the original strategy obsolete.
usually placed at the end of a clause or immediately after the verb it modifies.
contrast with 'beforehand' which is a single-word adverb; 'in advance' often collocates with 'payment', 'booking', or 'notice'.
I paid in the advance.I paid in advance.this phrase is a fixed idiom and does not take a definite article between the preposition and the noun.